| Year |
Citation |
Score |
| 2010 |
Kollmann S, Fröhlich R, Hoppe D. Highly stereoselective synthesis of 2-amino-3-c-methyl-2,3-dideoxyaldoses by C3-chain elongation via homoaldol reaction of sugar aldehydes Synthesis. 749-756. DOI: 10.1055/S-0029-1218628 |
0.451 |
|
| 2010 |
Hémery T, Wibbeling B, Fröhlich R, Hoppe D. Stereoselective synthesis of highly substituted annulated dihydropyrans based onγ-lithiation and homoaldol reaction of an enantiopure α-silylated vinyl carbamate Synthesis. 329-342. DOI: 10.1055/S-0029-1218596 |
0.511 |
|
| 2010 |
Kollmann S, Nauha E, Hoppe D. Highly stereoselective De-Novo synthesis of protected 2-amino-3-C-methyl-2, 3-dideoxy-d-altrose Tetrahedron. 66: 6162-6166. DOI: 10.1016/J.Tet.2010.05.101 |
0.381 |
|
| 2010 |
Hémery T, Becker J, Fröhlich R, Hoppe D. (-)-Myrtenyl N,N-diisopropylcarbamate: Stereochemistry of lithiation and electrophilic substitution directed by dynamic kinetic diastereoisomer resolution European Journal of Organic Chemistry. 3711-3720. DOI: 10.1002/Ejoc.201000390 |
0.772 |
|
| 2010 |
Oestreich M, Hoppe D. ChemInform Abstract: Stereospecific Preparation of Highly Enantiomerically Enriched Organomagnesium Reagents Cheminform. 32: no-no. DOI: 10.1002/chin.200136272 |
0.597 |
|
| 2010 |
HOPPE D, TEBBEN P, REGGELIN M, BOLTE M. ChemInform Abstract: Highly Diastereoselective, Nucleophilic Alkenoylation of Enantiopure . alpha.-Oxy- and α-Aminoalkanals by Lithiated (1-(p- Toluenesulfonyl)alk-2-enyl) Carbamates. Revision of the Stereochemistry and Application to the Synthesis of a D Cheminform. 28: no-no. DOI: 10.1002/chin.199730066 |
0.627 |
|
| 2010 |
REHDERS F, HOPPE D. ChemInform Abstract: Synthesis of Dihydroxyethylene Isosteres of Dipeptides. Part 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3- dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal. Cheminform. 24: no-no. DOI: 10.1002/chin.199308087 |
0.309 |
|
| 2010 |
REHDERS F, HOPPE D. ChemInform Abstract: Synthesis of Dihydroxyethylene Isosteres of Dipeptides. Part 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3- dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal. Cheminform. 24: no-no. DOI: 10.1002/chin.199308087 |
0.309 |
|
| 2010 |
REHDERS F, HOPPE D. ChemInform Abstract: Synthesis of Dihydroxyethylene Isosteres of Dipeptides. Part 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3- dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal. Cheminform. 24: no-no. DOI: 10.1002/chin.199308087 |
0.309 |
|
| 2010 |
REHDERS F, HOPPE D. ChemInform Abstract: Synthesis of Dihydroxyethylene Isosteres of Dipeptides. Part 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3- dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal. Cheminform. 24: no-no. DOI: 10.1002/chin.199308087 |
0.309 |
|
| 2010 |
REHDERS F, HOPPE D. ChemInform Abstract: Synthesis of Dihydroxyethylene Isosteres of Dipeptides. Part 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3- dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal. Cheminform. 24: no-no. DOI: 10.1002/chin.199308087 |
0.309 |
|
| 2009 |
Chen YL, Hoppe D. 1-(N,N-diisopropylcarbamoyloxy)-1-tosyl-1-alkenes--a2d1 synthons via tandem umpolung. The Journal of Organic Chemistry. 74: 4188-94. PMID 19413297 DOI: 10.1021/Jo900347S |
0.57 |
|
| 2009 |
Hoppe D. α-metallated 0-2-alkenyl carbamates: Synthetic equivalents of chiral homoenolates and materials for asymmetric homoaldol reaction Synthesis. 43-55. DOI: 10.1055/S-0028-1083280 |
0.46 |
|
| 2009 |
Chen YL, Hoppe D. Copper-catalyzed asymmetric conjugate addition of Grignard reagents to 1-(N,N-diisopropylcarbamoyloxy)-1-tosyl-1-alkenes Tetrahedron Asymmetry. 20: 1561-1567. DOI: 10.1016/J.Tetasy.2009.06.001 |
0.58 |
|
| 2009 |
Chen YL, Fröhlich R, Hoppe D. Copper-catalyzed asymmetric addition of Et2Zn to 2-cyclohexen-1-one and 2-carbamoyloxy-2-cyclohexen-1-one with phosphoramidite, phosphite, and bidentate phosphite-oxazoline ligands Tetrahedron Asymmetry. 20: 1144-1149. DOI: 10.1016/J.Tetasy.2009.03.017 |
0.619 |
|
| 2009 |
Hoppe D, Christoph G. Asymmetric Deprotonation with Alkyllithium–(−)‐Sparteine Patai's Chemistry of Functional Groups. 1055-1164. DOI: 10.1002/9780470682531.Pat0313 |
0.362 |
|
| 2008 |
Würthwein EU, Hoppe D. Enantiotopos-differentiating (-)-sparteine-mediated gamma-deprotonation of 1-alkenyl carbamates: DFT calculations verify the observed stereoselectivity. The Journal of Organic Chemistry. 73: 9055-60. PMID 18855483 DOI: 10.1021/Jo8018158 |
0.33 |
|
| 2008 |
Becker J, Bergander K, Fröhlich R, Hoppe D. Asymmetric total synthesis and X-ray crystal structure of the cytotoxic marine diterpene (+)-vigulariol. Angewandte Chemie (International Ed. in English). 47: 1654-7. PMID 18213658 DOI: 10.1002/Anie.200704678 |
0.72 |
|
| 2008 |
Lange H, Bergander K, Fröhlich R, Kehr S, Nakamura S, Shibata N, Toru T, Hoppe D. Highly enantioselective reactions of configurationally labile epimeric diamine complexes of lithiated S-benzyl thiocarbamates. Chemistry, An Asian Journal. 3: 88-101. PMID 18067115 DOI: 10.1002/Asia.200700262 |
0.471 |
|
| 2008 |
Lange H, Huenerbein R, Fröhlich R, Grimme S, Hoppe D. Configurationally labile lithiated O-benzyl carbamates: application in asymmetric synthesis and quantum chemical investigations on the equilibrium of diastereomers. Chemistry, An Asian Journal. 3: 78-87. PMID 18046698 DOI: 10.1002/Asia.200700261 |
0.395 |
|
| 2008 |
Hoppe D, Becker J, Bergander K, Fröhlich R. Synthesis of (+)-Vigulariol Synfacts. 2008: 0667-0667. DOI: 10.1055/S-2008-1077856 |
0.369 |
|
| 2008 |
Hoppe D, Becker J, Bergander K, Fröhlich R. Synthesis of (+)-Vigulariol Synfacts. 2008: 0667-0667. DOI: 10.1055/s-2008-1077856 |
0.738 |
|
| 2008 |
Lange H, Huenerbein R, Wibbeling B, Fröhlich R, Grimme S, Hoppe D. Comprehensive experimental and theoretical studies of configurationally labile epimeric diamine complexes of α-lithiated benzyl carbamates Synthesis. 2905-2918. DOI: 10.1055/S-2008-1067242 |
0.372 |
|
| 2008 |
Siemer M, Fröhlich R, Hoppe D. Asymmetric synthesis of 3,4-annulated cyclopentenones from cycloalkenyl ketones and vinyl carbamates by diastereoselective carbonyl addition/conrotatory 4π ring closure Synthesis. 2264-2270. DOI: 10.1055/S-2008-1067150 |
0.421 |
|
| 2008 |
Otte R, Wibbeling B, Fröhlich R, Nakamura S, Shibata N, Toru T, Hoppe D. Asymmetric Lithiation of 2-Alkynyl Aryl Sulfides Synfacts. 2008: 290-290. DOI: 10.1055/S-2008-1042686 |
0.416 |
|
| 2008 |
Lange H, Fröhlich R, Hoppe D. Cu(I)-catalyzed stereospecific coupling reactions of enantioenriched α-stannylated benzyl carbamates and their application Tetrahedron. 64: 9123-9135. DOI: 10.1016/J.Tet.2008.06.092 |
0.418 |
|
| 2008 |
Wünnemann S, Fröhlich R, Hoppe D. Asymmetric Strecker reaction of N-benzhydrylimines utilising new tropos biphenyldiol-based ligands European Journal of Organic Chemistry. 684-692. DOI: 10.1002/Ejoc.200700763 |
0.416 |
|
| 2007 |
Sonawane RP, Mück-Lichtenfeld C, Fröhlich R, Bergander K, Hoppe D. Highly diastereoselective lithiation and substitution of an (S)-prolinyl thiocarbamate via sterically homogeneous lithio(thiocarbamate): synthesis of enantiomerically pure prolinethiols. Chemistry (Weinheim An Der Bergstrasse, Germany). 13: 6419-29. PMID 17503415 DOI: 10.1002/Chem.200601853 |
0.427 |
|
| 2007 |
Becker J, Grimme S, Fröhlich R, Hoppe D. Estimation of the kinetic acidity from substrate conformation--stereochemical course of the deprotonation of cyclohexenyl carbamates. Angewandte Chemie (International Ed. in English). 46: 1645-9. PMID 17397074 DOI: 10.1002/Anie.200603347 |
0.774 |
|
| 2007 |
Bou Chedid R, Brümmer M, Wibbeling B, Fröhlich R, Hoppe D. Stereo- and regiochemical divergence in the substitution of a lithiated alk-1-en-3-yn-2-yl carbamate: synthesis of highly enantioenriched vinylallenes or alk-3-en-5-yn-1-ols. Angewandte Chemie (International Ed. in English). 46: 3131-4. PMID 17373010 DOI: 10.1002/Anie.200604978 |
0.454 |
|
| 2007 |
Hoppe D, Padeken L, Gottschalk K, Guarnieri W, Fröhlich R. Synthesis of (-)-N-acetylslaframine by C-1, C-5 bis-hydroxyalkylation of (5)-2-(N,N-dibenzylamino)-1,5-pentanediol via highly diastereoselective lithiation of the dicarbamate Synthesis. 1984-1994. DOI: 10.1055/S-2007-983724 |
0.365 |
|
| 2007 |
Kollmann S, Fröhlich R, Hoppe D. Chain-elongation of sugar aldehydes by asymmetric homoaldol reaction: Introduction of a functionalized 3-methyl-substituted three-carbon unit Synthesis. 0883-0892. DOI: 10.1055/S-2007-965928 |
0.419 |
|
| 2007 |
Otte R, Wibbeling B, Fröhlich R, Nakamura S, Shibata N, Toru T, Hoppe D. Asymmetric lithiation of 2-alkynyl aryl sulfides-Enantio- and diastereoselective formation of allenyl aryl sulfides and their application in nickel-catalyzed cross-coupling reactions Tetrahedron Letters. 48: 8636-8642. DOI: 10.1016/J.Tetlet.2007.10.037 |
0.426 |
|
| 2007 |
Becker J, Fröhlich R, Kataeva O, Hoppe D. Stereoselective synthesis of hexahydroisobenzofuran-4(1H)-ones from chiral substituted cyclohex-2-enyl carbamates via asymmetric homoaldol reaction and THF cyclocondensation European Journal of Organic Chemistry. 3349-3364. DOI: 10.1002/Ejoc.200700220 |
0.772 |
|
| 2007 |
Becker J, Fröhlich R, Salorinne K, Hoppe D. Asymmetric homoaldol reactions with cyclohex-2-enyl N,N- diisopropylcarbamate: Kinetic resolution, elucidation of the stereochemical course and applications in the synthesis of hexahydroisobenzofuran-4-(1H)-ones European Journal of Organic Chemistry. 3337-3348. DOI: 10.1002/Ejoc.200700219 |
0.791 |
|
| 2007 |
Chedid RB, Fröhlich R, Wibbeling B, Hoppe D. Enantioselective γ-deprotonation of alkyl-substituted O-1,3-butadien-2-yl carbamates and regioselective asymmetric homoaldol reaction European Journal of Organic Chemistry. 3179-3190. DOI: 10.1002/Ejoc.200700131 |
0.469 |
|
| 2007 |
Bou Chedid R, Brümmer M, Wibbeling B, Fröhlich R, Hoppe D. Stereo- und regiochemische Divergenz bei der Substitution eines lithiierten Alk-1-en-3-in-2-ylcarbamats – Synthese hoch enantiomerenangereicherter Vinylallene oder Alk-3-en-5-in-1-ole Angewandte Chemie. 119: 3192-3195. DOI: 10.1002/Ange.200604978 |
0.413 |
|
| 2006 |
Christoph G, Stratmann C, Coldham I, Hoppe D. Asymmetric synthesis of 3-hydroxy-pyrrolidines via tin-lithium exchange and cyclization. Organic Letters. 8: 4469-71. PMID 16986927 DOI: 10.1021/Ol061615P |
0.471 |
|
| 2006 |
Sonawane RP, Fröhlich R, Hoppe D. Highly diastereoselective formation and reactions of a non-mesomerically stabilized, lithiated alpha-thiocarbanion. Chemical Communications (Cambridge, England). 3101-3. PMID 16855699 DOI: 10.1039/B604029B |
0.342 |
|
| 2006 |
Chedid RB, Fröhlich R, Hoppe D. Asymmetric gamma-deprotonation and homoaldol reaction of 1,3-dien-2-yl carbamates: stereo- and regiochemistry. Organic Letters. 8: 3061-4. PMID 16805552 DOI: 10.1021/Ol061005P |
0.474 |
|
| 2006 |
Wünnemann S, Fröhlich R, Hoppe D. 3,3'-oxazolidinyl-substituted 2,2'-biphenyldiols: novel tropos ligands with a large induction on the chiral axis. Organic Letters. 8: 2455-8. PMID 16737287 DOI: 10.1021/Ol060528U |
0.387 |
|
| 2006 |
Brüns A, Wibbeling B, Fröhlich R, Hoppe D. Enantio- and diastereoselective synthesis of tetrahydrofurochromenes by sequential asymmetric homoaldol reaction and a Mukaiyama-type tetrahydrofuran cyclization Synthesis. 3111-3121. DOI: 10.1055/S-2006-950194 |
0.437 |
|
| 2006 |
Hoppe D, Chedid R, Fröhlich R. Asymmetric Homoaldol Reactions of Metallated Dienyl Carbamates Synfacts. 2006: 0944-0944. DOI: 10.1055/S-2006-949209 |
0.306 |
|
| 2006 |
Haller J, Hense T, Hoppe D. Experimental and Theoretical Studies of the Internal Stereodifferentiation Occurring During the Lithiation of β-Stereogenic Alkyl Carbamates. Kinetic Resolutions by (-)-Sparteine-Mediated Deprotonation Liebigs Annalen. 1996: 489-499. DOI: 10.1002/Jlac.199619960408 |
0.372 |
|
| 2006 |
Hanko R, Hoppe D. Dilithiierte N-Alkyl- oder N-Phenyl-carbamidsäure-allylester, leicht zugängliche Propionaldehyd-d3-Äquivalente Angewandte Chemie. 93: 115-116. DOI: 10.1002/Ange.19810930130 |
0.331 |
|
| 2006 |
Sonawane RP, Fröhlich R, Hoppe D. Highly enantioselective reactions of a lithiated α-thioallyl carbanion via thermodynamic resolution pathway Advanced Synthesis and Catalysis. 348: 1847-1854. DOI: 10.1002/Adsc.200606177 |
0.444 |
|
| 2005 |
Kauch M, Snieckus V, Hoppe D. Substitution of hydroxybiaryls via directed ortho-lithiation of N-silylated O-aryl N-isopropylcarbamates. The Journal of Organic Chemistry. 70: 7149-58. PMID 16122233 DOI: 10.1021/Jo0506938 |
0.375 |
|
| 2005 |
Otte R, Fröhlich R, Wibbeling B, Hoppe D. Solid-state structure and enantioselective reactions of a complex of a 1-thio-substituted propargyllithium and (-)-sparteine. Angewandte Chemie (International Ed. in English). 44: 5492-6. PMID 16044477 DOI: 10.1002/Anie.200501142 |
0.361 |
|
| 2005 |
Würthwein EU, Hoppe D. Enantioselective lithiation of O-alkyl and O-alk-2-enyl Carbamates in the presence of (-)-sparteine and (-)-alpha-isosparteine. A theoretical study. The Journal of Organic Chemistry. 70: 4443-51. PMID 15903323 DOI: 10.1021/Jo050253G |
0.35 |
|
| 2005 |
Ünaldi S, Fröhlich R, Hoppe D. Synthesis of enantioenriched and diastereomerically pure cis-fused bicyclic α-oxy-substituted γ-lactones via epoxidation of optically active homoaldol products Synthesis. 2507-2520. DOI: 10.1055/S-2005-872080 |
0.473 |
|
| 2005 |
Gudimalla N, Fröhlich R, Hoppe D. A simple and practical approach to α-halo- and α-phenylthio- α,β-enones Synthesis. 415-418. DOI: 10.1055/S-2004-834954 |
0.366 |
|
| 2005 |
Beckmann E, Hoppe D. Synthesis of an enantioenriched α-carbamoyloxy-crotylboronate and its homoaldol reaction with aldehydes Synthesis. 217-222. DOI: 10.1055/S-2004-834921 |
0.441 |
|
| 2005 |
Oezluegedik M, Kristensen J, Reuber J, Froehlich R, Hoppe D. Stereoselective Synthesis of Highly Substituted Bicyclic ?-Lactones Using Homoaldol Addition of 1-(1-Cycloalkenyl)methyl Carbamates. Cheminform. 36. DOI: 10.1055/S-2004-831170 |
0.469 |
|
| 2005 |
Brandau S, Fröhlich R, Hoppe D. Formation of 1-methylene-2-vinylcyclopropane by intramolecular S′E-cycloalkylation reaction Tetrahedron Letters. 46: 6709-6711. DOI: 10.1016/J.Tetlet.2005.07.138 |
0.493 |
|
| 2005 |
Brandau S, Hoppe D. Asymmetric synthesis of (2-carbamoyloxy-1-alkenyl)cyclopropanes by intramolecular cycloalkylation Tetrahedron. 61: 12244-12255. DOI: 10.1016/j.tet.2005.09.110 |
0.316 |
|
| 2005 |
Zeng W, Fröhlich R, Hoppe D. Enantioselective, (-)-sparteine-mediated deprotonation of geranyl and neryl N,N-diisopropylcarbamate: Configurational stability of the intermediate lithium compounds Tetrahedron. 61: 3281-3287. DOI: 10.1016/J.Tet.2005.01.100 |
0.454 |
|
| 2005 |
Kalkofen R, Brandau S, Ünaldi S, Frohlich R, Hoppe D. Enantio- and diastereoselective synthesis of highly substituted acylcyclopropanes from homoaldol products by stereospecific homoallylic cyclization European Journal of Organic Chemistry. 4571-4580. DOI: 10.1002/Ejoc.200500283 |
0.449 |
|
| 2005 |
Reuber J, Fröhlich R, Hoppe D. Asymmetric γ-deprotonation and substitution reactions of (Z)-1,3-diphenyl-1-propenyl N,N-diisopropylcarbamate European Journal of Organic Chemistry. 3017-3025. DOI: 10.1002/Ejoc.200500145 |
0.448 |
|
| 2005 |
Martínez MM, Hoppe D. Novel approach to the (-)-sparteine-mediated synthesis of kainoids: Total synthesis of (-)-α-kainic acid by (-)-sparteine-mediated deprotonation European Journal of Organic Chemistry. 1427-1443. DOI: 10.1002/Ejoc.200400824 |
0.493 |
|
| 2005 |
Özlügedik M, Ünaldi S, Wibbeling B, Hoppe D. Synthesis of enantioenriched trans-fused bicyclo[4.4.0]-dec-3-enes and bicyclo[4.3.0]non-3-enes bearing a 1,5-lactone bridge Advanced Synthesis and Catalysis. 347: 1627-1631. DOI: 10.1002/Adsc.200505143 |
0.393 |
|
| 2005 |
Ünaldi S, Özlügedik M, Fröhlich R, Hoppe D. Diastereoselective synthesis of enantioenriched, annulated tetrahydrofurans by simultaneous formation of the O-1-C-5 and the C-5-C-4 bonds Advanced Synthesis and Catalysis. 347: 1621-1626. DOI: 10.1002/Adsc.200505142 |
0.391 |
|
| 2004 |
Kalkofen R, Brandau S, Wibbeling B, Hoppe D. Synthesis of stereohomogeneous cyclopropanecarbaldehydes and cyclopropyl ketones by cycloalkylation of 4-hydroxy-1-alkenyl carbamates. Angewandte Chemie (International Ed. in English). 43: 6667-9. PMID 15593155 DOI: 10.1002/anie.200461136 |
0.34 |
|
| 2004 |
Gudimalla N, Fröhlich R, Hoppe D. Stereoselective synthesis of Baylis-Hillman-type adducts via allenolates generated by acyl migration. Organic Letters. 6: 4005-8. PMID 15496085 DOI: 10.1021/Ol0483908 |
0.41 |
|
| 2004 |
Seppi M, Kalkofen R, Reupohl J, Fröhlich R, Hoppe D. Highly enantiomerically enriched ketone homoenolate reagents prepared by (-)-sparteine-mediated gamma-deprotonation of achiral 1-alkenyl carbamates. Angewandte Chemie (International Ed. in English). 43: 1423-7. PMID 15368424 DOI: 10.1002/Anie.200352966 |
0.395 |
|
| 2004 |
Reuber J, Fröhlich R, Hoppe D. Highly enantioenriched homoenolate reagents by asymmetric gamma-deprotonation of achiral 1-silyl-substituted 1-alkenyl carbamates. Organic Letters. 6: 783-6. PMID 14986974 DOI: 10.1021/Ol0364677 |
0.442 |
|
| 2004 |
Beckmann E, Desai V, Hoppe D. Stereospecific Reaction of α-Carbamoyloxy-2-alkenylboronates and α-Carbamoyloxy-alkylboronates with Grignard Reagents - Synthesis of Highly Enantioenriched Secondary Alcohols Synlett. 2004: 2275-2280. DOI: 10.1055/S-2004-832835 |
0.365 |
|
| 2004 |
Zimmermann M, Wibbeling B, Hoppe D. Synthesis of Enantiomerically and Diastereomerically Pure 4-Hydroxy-1,2-alkadienyl Carbamates and Their Application in a Modified Nazarov Cyclization Towards Chiral Cyclopentenones Synthesis. 2004: 765-774. DOI: 10.1055/S-2004-816002 |
0.521 |
|
| 2004 |
Gralla G, Wibbeling B, Hoppe D. Synthesis of 2-Alkylidene-cycloalkane-1,3-diols via Enantioselective Intramolecular Carbolithiation. Cheminform. 35. DOI: 10.1016/J.Tetlet.2003.10.004 |
0.468 |
|
| 2004 |
Gralla G, Wibbeling B, Hoppe D. Synthesis of 2-Alkylidene-cycloalkane-1,3-diols via Enantioselective Intramolecular Carbolithiation. Cheminform. 35. DOI: 10.1002/chin.200412030 |
0.33 |
|
| 2004 |
Gralla G, Wibbeling B, Hoppe D. Synthesis of 2-Alkylidene-cycloalkane-1,3-diols via Enantioselective Intramolecular Carbolithiation. Cheminform. 35. DOI: 10.1002/chin.200412030 |
0.33 |
|
| 2004 |
Gralla G, Wibbeling B, Hoppe D. Synthesis of 2-Alkylidene-cycloalkane-1,3-diols via Enantioselective Intramolecular Carbolithiation. Cheminform. 35. DOI: 10.1002/chin.200412030 |
0.33 |
|
| 2004 |
Gralla G, Wibbeling B, Hoppe D. Synthesis of 2-Alkylidene-cycloalkane-1,3-diols via Enantioselective Intramolecular Carbolithiation. Cheminform. 35. DOI: 10.1002/chin.200412030 |
0.33 |
|
| 2004 |
Kalkofen R, Brandau S, Wibbeling B, Hoppe D. Synthese von stereohomogenen Cyclopropancarbaldehyden und Cyclopropylketonen durch Cycloalkylierung von 4-Hydroxy-1-alkenylcarbamaten Angewandte Chemie. 116: 6836-6838. DOI: 10.1002/Ange.200461136 |
0.401 |
|
| 2003 |
Schultz-Fademrecht C, Zimmermann M, Fröhlich R, Hoppe D. Synthesis of enantiopure 2,5-dihydro-3-iodofurans and substituted 3-iodofurans by iodocyclization of 4-hydroxy-1,2-alkadienyl carbamates Synlett. 2003: 1969-1972. DOI: 10.1055/S-2003-42046 |
0.436 |
|
| 2002 |
Schultz-Fademrecht C, Tius MA, Grimme S, Wibbeling B, Hoppe D. Synthesis of enantioenriched 5-alkylidene-2-cyclopentenones from chiral allenyl carbamates: generation of a chiral lithium allenolate and allylic activation for a conrotatory 4pi-electrocyclization. Angewandte Chemie (International Ed. in English). 41: 1532-5. PMID 19750656 DOI: 10.1002/1521-3773(20020503)41:9<1532::Aid-Anie1532>3.0.Co;2-J |
0.303 |
|
| 2002 |
Marr F, Hoppe D. Synthesis of enantiomerically enriched tertiary 2-cyclohexene-1-thiols via configurationally stable alpha-thio-substituted allyllithium compounds. Organic Letters. 4: 4217-20. PMID 12443062 DOI: 10.1021/Ol0266828 |
0.469 |
|
| 2002 |
Gralla G, Wibbeling B, Hoppe D. Synthesis of an ethynyl carbamate and application for enantioselective cyclocarbolithiation. Organic Letters. 4: 2193-5. PMID 12074665 |
0.381 |
|
| 2002 |
Christoph G, Hoppe D. Asymmetric synthesis of 2-alkenyl-1-cyclopentanols via tin-lithium exchange and intramolecular cycloalkylation. Organic Letters. 4: 2189-92. PMID 12074664 |
0.305 |
|
| 2002 |
Deiters A, Mück-Lictenfeld C, Frölich R, Hoppe D. Planar-chiral (2E,7Z)- and (2Z,7E)-cyclonona-2,7-dien-1-yl carbamates by asymmetric, bis-allyic, alpha, alpha'-cycloalkylation--studies on their conformational stability. Chemistry (Weinheim An Der Bergstrasse, Germany). 8: 1833-42. PMID 12007093 DOI: 10.1002/1521-3765(20020415)8:8<1833::Aid-Chem1833>3.0.Co;2-C |
0.595 |
|
| 2002 |
Peters JG, Seppi M, Fröhlich R, Wibbeling B, Hoppe D. Stereoselective intermolecular carbolithiation of open-chain and cyclic 1-Aryl-1-alkenyl N, N-diisopropylcarbamates coupled with electrophilic substitution. Observation of p-carboxylation in a benzyllithium derivative Synthesis. 2002: 381-392. DOI: 10.1055/S-2002-20040 |
0.464 |
|
| 2002 |
Marr F, Fröhlich R, Hoppe D. Preparation of meso-1,3-diphenylallyllithium·(−)-sparteine—its crystal structure and reactions Tetrahedron: Asymmetry. 13: 2587-2592. DOI: 10.1016/S0957-4166(02)00660-2 |
0.333 |
|
| 2002 |
Brüggemann M, Fröhlich R, Wibbeling B, Holst C, Hoppe D. Stereoselective formation of quaternary carbon centres with chiral 3-sulfonyl-1,3-oxazolidines and titanium enolates Tetrahedron. 58: 321-340. DOI: 10.1016/S0040-4020(01)01150-4 |
0.452 |
|
| 2002 |
Schultz-Fademrecht C, Tius MA, Grimme S, Wibbeling B, Hoppe D. Synthesis of enantioenriched 5-alkylidene-2-cyclopentenones from Chiral allenyl carbamates: Generation of a chiral lithium allenolate and allylic activation for a conrotatory 4π-electrocyclization Angewandte Chemie - International Edition. 41: 1532-1535. DOI: 10.1002/1521-3773(20020503)41:9<1532::AID-ANIE1532>3.0.CO;2-J |
0.305 |
|
| 2002 |
Schultz-Fademrecht C, Tius MA, Grimme S, Wibbeling B, Hoppe D. Synthese enantiomerenangereicherter 5-Alkyliden-2-cyclopentenone aus chiralen Allenylcarbamaten - Erzeugung chiraler Lithiumallenolate und allylische Aktivierung für die konrotatorische 4π-Elektrocyclisierung Angewandte Chemie. 114: 1610-1612. DOI: 10.1002/1521-3757(20020503)114:9<1610::Aid-Ange1610>3.0.Co;2-D |
0.387 |
|
| 2002 |
Özlügedik M, Kristensen J, Wibbeling B, Fröhlich R, Hoppe D. Nonracemic, Chiral Homoenolate Reagents Derived from (Cycloalk‐1‐enyl)methyl Carbamates and Evaluation of Their Configurational Stabilities European Journal of Organic Chemistry. 2002: 414-427. DOI: 10.1002/1099-0690(20022)2002:3<414::Aid-Ejoc414>3.0.Co;2-2 |
0.434 |
|
| 2002 |
Marr F, Fröhlich R, Wibbeling B, Diedrich C, Hoppe D. The Synthesis and Configurational Stability of Enantioenriched α-Thioallyllithium Compounds and the Stereochemical Course of Their Electrophilic Substitution European Journal of Organic Chemistry. 2002: 2970-2988. DOI: 10.1002/1099-0690(200209)2002:17<2970::Aid-Ejoc2970>3.0.Co;2-J |
0.468 |
|
| 2002 |
Marr F, Fröhlich R, Wibbeling B, Diedrich C, Hoppe D. The Synthesis and Configurational Stability of Enantioenriched α-Thioallyllithium Compounds and the Stereochemical Course of Their Electrophilic Substitution European Journal of Organic Chemistry. 2002: 2970-2988. DOI: 10.1002/1099-0690(200209)2002:17<2970::AID-EJOC2970>3.0.CO;2-J |
0.364 |
|
| 2002 |
Marr F, Fröhlich R, Wibbeling B, Diedrich C, Hoppe D. The Synthesis and Configurational Stability of Enantioenriched α-Thioallyllithium Compounds and the Stereochemical Course of Their Electrophilic Substitution European Journal of Organic Chemistry. 2002: 2970-2988. DOI: 10.1002/1099-0690(200209)2002:17<2970::AID-EJOC2970>3.0.CO;2-J |
0.364 |
|
| 2002 |
Marr F, Fröhlich R, Wibbeling B, Diedrich C, Hoppe D. The Synthesis and Configurational Stability of Enantioenriched α-Thioallyllithium Compounds and the Stereochemical Course of Their Electrophilic Substitution European Journal of Organic Chemistry. 2002: 2970-2988. DOI: 10.1002/1099-0690(200209)2002:17<2970::AID-EJOC2970>3.0.CO;2-J |
0.364 |
|
| 2001 |
Schultz-Fademrecht C, Wibbeling B, Fröhlich R, Hoppe D. Synthesis of enantiomerically enriched allenes by (-)-sparteine-mediated lithiation of alkynyl carbamates. Organic Letters. 3: 1221-4. PMID 11348199 DOI: 10.1021/Ol0157104 |
0.435 |
|
| 2001 |
Deiters A, Hoppe D. Asymmetric synthesis of cis-1,2-dialkenyl-substituted cyclopentanes via (-)-sparteine-mediated lithiation and cycloalkylation of a 9-chloro-2,7-nonadienyl carbamate. The Journal of Organic Chemistry. 66: 2842-9. PMID 11304210 DOI: 10.1021/Jo015548I |
0.66 |
|
| 2001 |
Stratmann O, Kaiser B, Fröhlich R, Meyer O, Hoppe D. The configurational stability of an enantioenriched alpha-thiobenzyllithium derivative and the stereochemical course of its electrophilic substitution reactions; synthesis of enantiomerically pure, tertiary benzylic thiols. Chemistry (Weinheim An Der Bergstrasse, Germany). 7: 423-35. PMID 11271529 DOI: 10.1002/1521-3765(20010119)7:2<423::Aid-Chem423>3.0.Co;2-Y |
0.435 |
|
| 2001 |
Kauch M, Hoppe D. Synthesis of substituted phenols by directed ortho-lithiation of in situ N-silyl-protected O-aryl N-monoalkylcarbamates Canadian Journal of Chemistry. 79: 1736-1746. DOI: 10.1139/V01-146 |
0.393 |
|
| 2001 |
Laqua H, Fröhlich R, Wibbeling B, Hoppe D. Synthesis of enantioenriched indene-derived bicyclic alcohols and tricyclic cyclopropanes via (−)-sparteine-mediated lithiation of a racemic precursor and kinetic resolution during the cyclocarbolithiation Journal of Organometallic Chemistry. 624: 96-104. DOI: 10.1016/S0022-328X(00)00832-9 |
0.372 |
|
| 2001 |
Stratmann O, Hoppe D, Froehlich R. ChemInform Abstract: Synthesis and Structure of Highly Enantio- and Diastereoenriched 1-Aza-4-oxa-7-thiabicyclo[3.3.0]octan-8-ones Derived from Acyl-Substituted S-Benzyl Thiocarbamates. Cheminform. 32: no-no. DOI: 10.1002/chin.200116139 |
0.318 |
|
| 2001 |
Stratmann O, Hoppe D, Froehlich R. ChemInform Abstract: Synthesis and Structure of Highly Enantio- and Diastereoenriched 1-Aza-4-oxa-7-thiabicyclo[3.3.0]octan-8-ones Derived from Acyl-Substituted S-Benzyl Thiocarbamates. Cheminform. 32: no-no. DOI: 10.1002/chin.200116139 |
0.318 |
|
| 2001 |
Stratmann O, Hoppe D, Froehlich R. ChemInform Abstract: Synthesis and Structure of Highly Enantio- and Diastereoenriched 1-Aza-4-oxa-7-thiabicyclo[3.3.0]octan-8-ones Derived from Acyl-Substituted S-Benzyl Thiocarbamates. Cheminform. 32: no-no. DOI: 10.1002/chin.200116139 |
0.318 |
|
| 2001 |
Stratmann O, Hoppe D, Froehlich R. ChemInform Abstract: Synthesis and Structure of Highly Enantio- and Diastereoenriched 1-Aza-4-oxa-7-thiabicyclo[3.3.0]octan-8-ones Derived from Acyl-Substituted S-Benzyl Thiocarbamates. Cheminform. 32: no-no. DOI: 10.1002/chin.200116139 |
0.318 |
|
| 2001 |
Deiters A, Wibbeling B, Hoppe D. Enantio- and Diastereoselective Synthesis of a 3,4-Divinylpyrrolidine via Asymmetric Deprotonation and Cyclization of a 9-Chloro-5-aza-2,7-nonadiene Advanced Synthesis & Catalysis. 343: 181-183. DOI: 10.1002/1615-4169(20010226)343:2<181::AID-ADSC181>3.0.CO;2-# |
0.341 |
|
| 2001 |
Deiters A, Wibbeling B, Hoppe D. Enantio- and Diastereoselective Synthesis of a 3,4-Divinylpyrrolidine via Asymmetric Deprotonation and Cyclization of a 9-Chloro-5-aza-2,7-nonadiene Advanced Synthesis & Catalysis. 343: 181-183. DOI: 10.1002/1615-4169(20010226)343:2<181::Aid-Adsc181>3.0.Co;2-# |
0.639 |
|
| 2001 |
Deiters A, Wibbeling B, Hoppe D. Enantio- and Diastereoselective Synthesis of a 3,4-Divinylpyrrolidine via Asymmetric Deprotonation and Cyclization of a 9-Chloro-5-aza-2,7-nonadiene Advanced Synthesis & Catalysis. 343: 181-183. DOI: 10.1002/1615-4169(20010226)343:2<181::AID-ADSC181>3.0.CO;2-# |
0.341 |
|
| 2001 |
Deiters A, Wibbeling B, Hoppe D. Enantio- and Diastereoselective Synthesis of a 3,4-Divinylpyrrolidine via Asymmetric Deprotonation and Cyclization of a 9-Chloro-5-aza-2,7-nonadiene Advanced Synthesis & Catalysis. 343: 181-183. DOI: 10.1002/1615-4169(20010226)343:2<181::AID-ADSC181>3.0.CO;2-# |
0.341 |
|
| 2001 |
Brüggemann M, Holst C, Hoppe D. First Enantioselective Total Synthesis of Both (+)- and (−)-Metachromin A European Journal of Organic Chemistry. 2001: 647-654. DOI: 10.1002/1099-0690(200102)2001:4<647::Aid-Ejoc647>3.0.Co;2-6 |
0.406 |
|
| 2000 |
Deiters A, Muck-Lichtenfeld C, Frohlich R, Hoppe D. Asymmetric synthesis of a (2Z,7E)-cyclononadiene by an intramolecular cycloalkylation and insight to its conformational properties Organic Letters. 2: 2415-8. PMID 10956510 DOI: 10.1021/Ol005998H |
0.65 |
|
| 2000 |
Deiters A, Fröhlich R, Hoppe D. Enantioselective Synthesis of Functionalized 1,5-Cyclononadienes by Intramolecular Cycloalkylation under alpha,alpha'-Diallyl Coupling This work was supported by the Deutsche Forschungsgemeinschaft (Sonderforschungsbereich 424) and the Fonds der Chemischen Industrie. A.D. gratefully acknowledges a fellowship from the Fonds der Chemischen Industrie. We thank Mrs. C. Weitkamp for her outstanding experimental assistance and Mr. J. Müller for his skillful work during a laboratory course. Angewandte Chemie (International Ed. in English). 39: 2105-2107. PMID 10941029 DOI: 10.1002/1521-3773(20000616)39:12<2105::Aid-Anie2105>3.0.Co;2-X |
0.514 |
|
| 2000 |
Kreier A, Fröhlich R, Wegelius E, Hoppe D. Asymmetric Synthesis of Stereodefined 7-(Alk-1-enyl)-5,6,7,8-tetrahydronaphthalene-2-carboxylic Acids and Their Precursors, Bearing a Polar Group in the 8-Position, by the 3-Sulfonyl-1,3-oxazolidine Method Synthesis. 2000: 1391-1402. DOI: 10.1055/S-2000-7119 |
0.331 |
|
| 2000 |
Heimbach DK, Fröhlich R, Wibbeling B, Hoppe D. Asymmetric Lithiation of an Allyl Carbamate Induced by a Complexing Remote Chiral Substituent Synlett. 2000: 950-954. DOI: 10.1055/S-2000-6648 |
0.358 |
|
| 2000 |
Stratmann O, Hoppe D, Fröhlich R. Synthesis and Structure of Highly Enantio- and Diastereoenriched 1-Aza-4-oxa-7-thiabicyclo[3.3.0]octan-8-ones Derived from Acyl-SubstitutedS-Benzyl Thiocarbamates Journal Fur Praktische Chemie-Chemiker-Zeitung. 342: 828-831. DOI: 10.1002/1521-3897(200010)342:8<828::Aid-Prac828>3.0.Co;2-S |
0.432 |
|
| 2000 |
Deiters A, Fröhlich R, Hoppe D. Enantioselektive Synthese von funktionalisierten 1,5-Cyclononadienen durch intramolekulare Cycloalkylierung unter α,α′-Diallylkupplung Angewandte Chemie. 112: 2189-2192. DOI: 10.1002/1521-3757(20000616)112:12<2189::Aid-Ange2189>3.0.Co;2-S |
0.607 |
|
| 1999 |
Deiters A, Hoppe D. Chiral Induction by Elimination-Coupled Lithium-Ene Reaction: Synthesis of (+)-(3R,4R)-1,2-Dihydromultifidene. Angewandte Chemie (International Ed. in English). 38: 546-548. PMID 29711773 DOI: 10.1002/(Sici)1521-3773(19990215)38:4<546::Aid-Anie546>3.0.Co;2-# |
0.591 |
|
| 1999 |
Weber B, Schwerdtfeger J, Fröhlich R, Göhrt A, Hoppe D. Diastereoselective Lithiation and Substitution of (S)-N-Benzylprolinol and rac-N-Benzylpiperidine-2-methanol via the Carbamate Esters: Kinetic Resolution by Means of (-)-Sparteine-Mediated Deprotonation Synthesis. 1999: 1915-1924. DOI: 10.1055/S-1999-3612 |
0.39 |
|
| 1999 |
Schwerdtfeger J, Kolczewski S, Weber B, Fröhlich R, Hoppe D. Stereoselective Deprotonation of Chiral and Achiral 2-Aminoalkyl Carbamates: Synthesis of Optically Active β-Amino Alcohols via 1-Oxy-Substituted Alkyllithium Intermediates Synthesis. 1999: 1573-1592. DOI: 10.1055/S-1999-3575 |
0.382 |
|
| 1999 |
Marr F, Fröhlich R, Hoppe D. A Highly Enantioenriched, Configurationally Stable α-Thioallyllithium Compound and the Stereochemical Course of Its Electrophilic Alkylation Organic Letters. 1: 2081-2083. DOI: 10.1021/Ol991134O |
0.455 |
|
| 1999 |
Marr F, Fröhlich R, Hoppe D. A Highly Enantioenriched, Configurationally Stable α-Thioallyllithium Compound and the Stereochemical Course of Its Electrophilic Alkylation Organic Letters. 1: 2081-2083. DOI: 10.1021/ol991134o |
0.334 |
|
| 1999 |
Marr F, Fröhlich R, Hoppe D. A Highly Enantioenriched, Configurationally Stable α-Thioallyllithium Compound and the Stereochemical Course of Its Electrophilic Alkylation Organic Letters. 1: 2081-2083. DOI: 10.1021/ol991134o |
0.334 |
|
| 1999 |
Marr F, Fröhlich R, Hoppe D. A Highly Enantioenriched, Configurationally Stable α-Thioallyllithium Compound and the Stereochemical Course of Its Electrophilic Alkylation Organic Letters. 1: 2081-2083. DOI: 10.1021/ol991134o |
0.334 |
|
| 1999 |
Marr F, Fröhlich R, Hoppe D. A Highly Enantioenriched, Configurationally Stable α-Thioallyllithium Compound and the Stereochemical Course of Its Electrophilic Alkylation Organic Letters. 1: 2081-2083. DOI: 10.1021/ol991134o |
0.334 |
|
| 1999 |
Oestreich M, Hoppe D. (−)-Sparteine-mediated stereoselective intramolecular conjugate addition reactions of dienes and enynes Tetrahedron Letters. 40: 1881-1884. DOI: 10.1016/S0040-4039(99)00092-1 |
0.535 |
|
| 1999 |
Kleinfeld SH, Wegelius E, Hoppe D. (−)-Sparteine-Mediated Asymmetric Cyclocarbolithiation of Alkenes Combined with a Stereospecificretro-[1,4]-Brook Rearrangement Helvetica Chimica Acta. 82: 2413-2424. DOI: 10.1002/(Sici)1522-2675(19991215)82:12<2413::Aid-Hlca2413>3.0.Co;2-F |
0.425 |
|
| 1999 |
Hoppe D, Woltering M, Oestreich M, Fröhlich R. (−)-Sparteine-Mediated Asymmetric Intramolecular Carbolithiation of Alkenes: Synthesis of Enantiopure Cyclopentanes with Three Consecutive Stereogenic Centers Helvetica Chimica Acta. 82: 1860-1877. DOI: 10.1002/(Sici)1522-2675(19991110)82:11<1860::Aid-Hlca1860>3.0.Co;2-8 |
0.562 |
|
| 1999 |
Hoppe D, Woltering M, Oestreich M, Fröhlich R. (−)-Sparteine-Mediated Asymmetric Intramolecular Carbolithiation of Alkenes: Synthesis of Enantiopure Cyclopentanes with Three Consecutive Stereogenic Centers Helvetica Chimica Acta. 82: 1860-1877. DOI: 10.1002/(Sici)1522-2675(19991110)82:11<1860::Aid-Hlca1860>3.0.Co;2-8 |
0.562 |
|
| 1999 |
Heinl T, Retzow S, Hoppe D, Fraenkel G, Chow A. Experimental and Theoretical Investigations of Lithio-Indenyl Carbamate/(−)-Sparteine and (−)-α-Isosparteine Complexes Chemistry - a European Journal. 5: 3464-3470. DOI: 10.1002/(Sici)1521-3765(19991203)5:12<3464::Aid-Chem3464>3.0.Co;2-Q |
0.317 |
|
| 1999 |
Würthwein E, Behrens K, Hoppe D. Enantioselective Deprotonation of Alkyl Carbamates by Means of (R,R)-1,2-Bis(N,N-dimethylamino)cyclohexane/sec-Butyllithium— Theory and Experiment Chemistry - a European Journal. 5: 3459-3463. DOI: 10.1002/(Sici)1521-3765(19991203)5:12<3459::Aid-Chem3459>3.0.Co;2-Z |
0.322 |
|
| 1999 |
van Bebber J, Ahrens H, Fröhlich R, Hoppe D. Efficient Desymmetrization ofmeso-cis-1,2-Cyclohexanedimethanol with Differentiation between Diastereotopic and Enantiotopic C−H Bonds by (−)-Sparteine-Mediated Deprotonation Chemistry - a European Journal. 5: 1905-1916. DOI: 10.1002/(Sici)1521-3765(19990604)5:6<1905::Aid-Chem1905>3.0.Co;2-4 |
0.341 |
|
| 1999 |
Deiters A, Hoppe D. Chiral induzierte, mit einer Eliminierung gekoppelte Lithium‐En‐Reaktion – Synthese von (+)‐(3R,4R)‐1,2‐Dihydromultifiden Angewandte Chemie. 111: 529-532. DOI: 10.1002/(Sici)1521-3757(19990215)111:4<529::Aid-Ange529>3.0.Co;2-2 |
0.549 |
|
| 1999 |
Derwing C, Frank H, Hoppe D. Chiral Benzyllithium Compounds: High Configurative Stability of (R)- and (S)-1-Lithioindan-1-ylN,N-Diisopropylcarbamate and Unexpected Stereochemical Course of the Substitution Reactions European Journal of Organic Chemistry. 1999: 3519-3524. DOI: 10.1002/(Sici)1099-0690(199912)1999:12<3519::Aid-Ejoc3519>3.0.Co;2-N |
0.754 |
|
| 1999 |
Derwing C, Frank H, Hoppe D. Chiral Benzyllithium Compounds: High Configurative Stability of (R)- and (S)-1-Lithioindan-1-ylN,N-Diisopropylcarbamate and Unexpected Stereochemical Course of the Substitution Reactions European Journal of Organic Chemistry. 1999: 3519-3524. DOI: 10.1002/(Sici)1099-0690(199912)1999:12<3519::Aid-Ejoc3519>3.0.Co;2-N |
0.754 |
|
| 1999 |
Derwing C, Frank H, Hoppe D. Chiral Benzyllithium Compounds: High Configurative Stability of (R)- and (S)-1-Lithioindan-1-ylN,N-Diisopropylcarbamate and Unexpected Stereochemical Course of the Substitution Reactions European Journal of Organic Chemistry. 1999: 3519-3524. DOI: 10.1002/(SICI)1099-0690(199912)1999:12<3519::AID-EJOC3519>3.0.CO;2-N |
0.35 |
|
| 1998 |
Sendzik M, Guarnieri W, Hoppe D. Monocarbamates, Derived from (S)-2-(Dibenzylamino)butane-1,4-diol, and the Influence of the Second O-Protecting Group on the Regioselectivity of Deprotonation - Application to the Synthesis of the Boletus Toxin (2S,4S)-γ-Hydroxy-norvaline Synthesis. 1998: 1287-1297. DOI: 10.1055/S-1998-6100 |
0.32 |
|
| 1998 |
Guarnieri W, Sendzik M, Fröhlich R, Hoppe D. Regio- and Stereoselective Lithiation and C-Substitution of (S)-2-(Dibenzylamino)butane-1,4-diol via Dicarbamates Synthesis. 1998: 1274-1286. DOI: 10.1055/S-1998-6099 |
0.339 |
|
| 1998 |
Woltering MJ, Fröhlich R, Wibbeling B, Hoppe D. Stereoselective Synthesis Of Hydroxylated Indolizidines Via (-)-Sparteine-Mediated Kinetic Resolution Coupled With Intramolecular Carbolithiation Synlett. 1998: 797-800. DOI: 10.1055/S-1998-1761 |
0.376 |
|
| 1998 |
Oestreich M, Fröhlich R, Hoppe D. (−)-Sparteine-mediated stereoselective intramolecular carbolithiation of alkynes Tetrahedron Letters. 39: 1745-1748. DOI: 10.1016/S0040-4039(98)00085-9 |
0.648 |
|
| 1998 |
Winter E, Hoppe D. A new route to the asymmetric synthesis of (−)-malyngolide and (−)-epi-malyngolide using N-sulfonyl-1,3-oxazolidines as chiral auxiliaries Tetrahedron. 54: 10329-10338. DOI: 10.1016/S0040-4020(98)00488-8 |
0.379 |
|
| 1998 |
Behrens K, Fröhlich R, Meyer O, Hoppe D. Enantioselective Lithiation and Substitution of (E)‐Cinnamyl N,N‐Diisopropylcarbamate through Use of (−)‐Sparteine Complexes European Journal of Organic Chemistry. 1998: 2397-2403. DOI: 10.1002/(Sici)1099-0690(199811)1998:11<2397::Aid-Ejoc2397>3.0.Co;2-2 |
0.356 |
|
| 1997 |
Hense T, Hoppe D. Convenient Synthesis of Enantiomerically Enriched β-Cyclopropylalaninol Derivatives by Kinetic Resolution via (-)-Sparteine-Mediated Deprotonation Synthesis. 1997: 1394-1398. DOI: 10.1055/S-1997-1382 |
0.4 |
|
| 1997 |
Hoppe D, Tebben P, Reggelin M, Bolte M. Highly Diastereoselective, Nucleophilic Alkenoylation of Enantiopure α-Oxy- and α-Aminoalkanals by Lithiated [1-(p-Toluenesulfonyl)alk-2-enyl] Carbamates. Revision of the Stereochemistry and Application to the Synthesis of a Dihydroxyethylene Dipeptide Isostere Synthesis. 1997: 183-190. DOI: 10.1055/S-1997-1156 |
0.672 |
|
| 1997 |
Hoppe D, Tebben P, Reggelin M, Bolte M. Highly Diastereoselective, Nucleophilic Alkenoylation of Enantiopure α-Oxy- and α-Aminoalkanals by Lithiated [1-(p-Toluenesulfonyl)alk-2-enyl] Carbamates. Revision of the Stereochemistry and Application to the Synthesis of a Dihydroxyethylene Dipeptide Isostere Synthesis. 1997: 183-190. DOI: 10.1055/s-1997-1156 |
0.309 |
|
| 1997 |
Hoppe D, Tebben P, Reggelin M, Bolte M. Highly Diastereoselective, Nucleophilic Alkenoylation of Enantiopure α-Oxy- and α-Aminoalkanals by Lithiated [1-(p-Toluenesulfonyl)alk-2-enyl] Carbamates. Revision of the Stereochemistry and Application to the Synthesis of a Dihydroxyethylene Dipeptide Isostere Synthesis. 1997: 183-190. DOI: 10.1055/s-1997-1156 |
0.309 |
|
| 1997 |
Hoppe D, Tebben P, Reggelin M, Bolte M. Highly Diastereoselective, Nucleophilic Alkenoylation of Enantiopure α-Oxy- and α-Aminoalkanals by Lithiated [1-(p-Toluenesulfonyl)alk-2-enyl] Carbamates. Revision of the Stereochemistry and Application to the Synthesis of a Dihydroxyethylene Dipeptide Isostere Synthesis. 1997: 183-190. DOI: 10.1055/s-1997-1156 |
0.309 |
|
| 1997 |
Hoppe D, Tebben P, Reggelin M, Bolte M. Highly Diastereoselective, Nucleophilic Alkenoylation of Enantiopure α-Oxy- and α-Aminoalkanals by Lithiated [1-(p-Toluenesulfonyl)alk-2-enyl] Carbamates. Revision of the Stereochemistry and Application to the Synthesis of a Dihydroxyethylene Dipeptide Isostere Synthesis. 1997: 183-190. DOI: 10.1055/s-1997-1156 |
0.309 |
|
| 1997 |
Boie C, Hoppe D. Stereoselective Synthesis of Enantipure β-Amino Alcohols via Nucleophilic β-Amino-α-hydroxyalkylation by Means of 1-Lithiated 2-[N-(Diphenylmethyleneamino)]alkyl Carbamates Synthesis. 1997: 176-182. DOI: 10.1055/S-1997-1155 |
0.401 |
|
| 1997 |
Hoppe D, Kaiser B, Stratmann O, Fröhlich R. A Highly Enantiomerically Enrichedα-Thiobenzyl Derivative with Unusual Configurational Stability Angewandte Chemie International Edition in English. 36: 2784-2786. DOI: 10.1002/Anie.199727841 |
0.334 |
|
| 1997 |
Hoppe D, Hense T. Enantioselective Synthesis with Lithium/(−)-Sparteine Carbanion Pairs Angewandte Chemie International Edition in English. 36: 2282-2316. DOI: 10.1002/Anie.199722821 |
0.424 |
|
| 1997 |
Woltering MJ, Fröhlich R, Hoppe D. Synthesis of Enantiomerically and Diastereomerically Pure Cyclopentanols by asymmetric Cyclocarbolithiation of 5-Alkenyl Carbamates Angewandte Chemie International Edition in English. 36: 1764-1766. DOI: 10.1002/Anie.199717641 |
0.324 |
|
| 1997 |
Woltering MJ, Fröhlich R, Hoppe D. Synthesis of Enantiomerically and Diastereomerically Pure Cyclopentanols by asymmetric Cyclocarbolithiation of 5-Alkenyl Carbamates Angewandte Chemie International Edition in English. 36: 1764-1766. DOI: 10.1002/Anie.199717641 |
0.324 |
|
| 1997 |
Woltering MJ, Fröhlich R, Hoppe D. Synthesis of Enantiomerically and Diastereomerically Pure Cyclopentanols by asymmetric Cyclocarbolithiation of 5-Alkenyl Carbamates Angewandte Chemie International Edition in English. 36: 1764-1766. DOI: 10.1002/anie.199717641 |
0.324 |
|
| 1997 |
Woltering MJ, Fröhlich R, Hoppe D. Synthesis of Enantiomerically and Diastereomerically Pure Cyclopentanols by asymmetric Cyclocarbolithiation of 5-Alkenyl Carbamates Angewandte Chemie International Edition in English. 36: 1764-1766. DOI: 10.1002/anie.199717641 |
0.324 |
|
| 1997 |
Hoppe D, Kaiser B, Stratmann O, Fröhlich R. Herstellung und Reaktionen einer hoch enantiomerenangereicherten, ungewöhnlich konfigurationsstabilen α-Benzylthiolithiumverbindung Angewandte Chemie. 109: 2872-2874. DOI: 10.1002/Ange.19971092412 |
0.351 |
|
| 1997 |
Hoppe D, Hense T. Enantioselektive Synthese mit Lithium/(−)-Spartein-Carbanion-Paaren Angewandte Chemie. 109: 2376-2410. DOI: 10.1002/Ange.19971092105 |
0.336 |
|
| 1997 |
Woltering MJ, Fröhlich R, Hoppe D. Synthese von enantiomeren- und diastereomerenreinen Cyclopentanolen durch asymmetrische Cyclocarbolithiierung von 5-Alkenylcarbamaten Angewandte Chemie. 109: 1804-1805. DOI: 10.1002/Ange.19971091616 |
0.351 |
|
| 1996 |
Hoppe I, Hoppe D, Marsch M, Harms K, Boche G. Crystal structure of (1R)-1-methyl-1-(α-methylbenzyl-carboxamido)-indene, C19H19NO Zeitschrift FüR Kristallographie - Crystalline Materials. 211. DOI: 10.1524/Zkri.1996.211.5.331 |
0.324 |
|
| 1996 |
Paulsen H, Graeve C, Fröhlich R, Hoppe D. Enantioselective Synthesis Of Bicyclic Tetrahydrofuran Carboxaldehydes From Chiral 3-Stannylbut-1-Enyl Carbamates By Tandem Homoaldol/Aldol Reaction Synthesis. 1996: 145-148. DOI: 10.1055/S-1996-4173 |
0.448 |
|
| 1996 |
Prien O, Hoppe D. Simple Synthesis of Enantiomerically Pure, Protected cis-Bicyclo[4.4.0]decane-1-carboxaldehyde Derivatives from Cyclohexanones by the 3-Arenesulfonyloxazolidine Route Synthesis. 1996: 25-27. DOI: 10.1055/S-1996-4170 |
0.381 |
|
| 1995 |
Hoppe I, Marsch M, Harms K, Boche G, Hoppe D. Generation of Enantiomerically Enriched Lithium Indenides by Means of (–)‐Sparteine: Structure, Stereoselective Substitution, and Solvent Effects Angewandte Chemie. 34: 2158-2160. DOI: 10.1002/Anie.199521581 |
0.374 |
|
| 1995 |
Kaiser B, Hoppe D. Preparation and Detection of Enantiomerically Enriched and Configurationally Stableα-Thioalkyllithium Compounds Angewandte Chemie International Edition in English. 34: 323-325. DOI: 10.1002/Anie.199503231 |
0.311 |
|
| 1995 |
Hoppe I, Hoppe D, Boche G, Marsch M, Harms K. Bildung von enantiomerenangereicherten Lithiumindeniden mit (−)-Spartein — Strukturen, stereospezifische Substitution, Einfluß des Lösungsmittels Angewandte Chemie. 107: 2328-2330. DOI: 10.1002/Ange.19951071926 |
0.318 |
|
| 1995 |
Kaiser B, Hoppe D. Bildung und Nachweis enantiomeren-angereicherter und konfigurationsstabiler α-Thioalkyllithium-Verbindungen Angewandte Chemie. 107: 344-346. DOI: 10.1002/Ange.19951070313 |
0.352 |
|
| 1994 |
Prien O, Hoffmann H, Conde-Frieboes K, Krettek T, Berger B, Wagner K, Bolte M, Hoppe D. Synthesis of Highly Functionalized, Enantiomerically and Diastereomerically Pure Cyclohexane Derivates via Michael Addition of Chiral 3-Tosyl-2-(2-oxoalkyl)-1,3-oxazolidines and Methyl Vinyl Ketone Synthesis. 1994: 1313-1321. DOI: 10.1055/S-1994-25687 |
0.417 |
|
| 1994 |
Paetow M, Kotthaus M, Grehl M, Fröhlich R, Hoppe D. Enantioselective Cyclopropane Synthesis. Stereodivergent Courses of the 1, 3-Elimination Reaction, Dependent on the Lewis Acid Synlett. 1994: 1034-1036. DOI: 10.1055/S-1994-23076 |
0.417 |
|
| 1994 |
Carstens A, Hoppe D. Generation of a configurationally stable, enantioenriched α-oxy-α-methylbenzyllithium: Stereodivergence of its electrophilic substitution Tetrahedron. 50: 6097-6108. DOI: 10.1016/S0040-4020(01)90461-2 |
0.466 |
|
| 1994 |
Harder T, Löhl T, Bolte M, Wagner K, Hoppe D. Enantioselective synthesis of α-branched α-hydroxy ketones via chiral N-sulfonyl-2-alkyl-2-cyano-1,3-oxazolidines Tetrahedron Letters. 35: 7365-7368. DOI: 10.1016/0040-4039(94)85315-0 |
0.517 |
|
| 1994 |
Harder T, Löhl T, Bolte M, Wagner K, Hoppe D. Enantioselective synthesis of α-branched α-hydroxy ketones via chiral N-sulfonyl-2-alkyl-2-cyano-1,3-oxazolidines Tetrahedron Letters. 35: 7365-7368. DOI: 10.1016/0040-4039(94)85315-0 |
0.391 |
|
| 1994 |
Harder T, Löhl T, Bolte M, Wagner K, Hoppe D. Enantioselective synthesis of α-branched α-hydroxy ketones via chiral N-sulfonyl-2-alkyl-2-cyano-1,3-oxazolidines Tetrahedron Letters. 35: 7365-7368. DOI: 10.1016/0040-4039(94)85315-0 |
0.391 |
|
| 1994 |
Guarnieri W, Grehl M, Hoppe D. Regio- and Stereoselective Electrophilic C-Substitution of 2-(N,N-Dibenzylamino)-1,ω-alkanediols by Lithiation of Their Carbamates Angewandte Chemie International Edition in English. 33: 1734-1737. DOI: 10.1002/Anie.199417341 |
0.367 |
|
| 1994 |
Guarnieri W, Grehl M, Hoppe D. Regio- und stereoselektive elektrophile C-Substitution von 2-(N,N-Dibenzylamino)-1, ω-alkandiolen durch Lithiierung ihrer Carbamate Angewandte Chemie. 106: 1815-1818. DOI: 10.1002/Ange.19941061711 |
0.343 |
|
| 1993 |
Frieboes KC, Harder T, Aulbert D, Strahringer C, Bolte M, Hoppe D. Convenient Preparation of Stereochemically Homogeneous 2-Acyl-3-sulfonyl-1,3-oxazolidines and Diastereoselective Grignard Additions to Form Protected Enantiopure 2-Hydroxyalkanals1 Synlett. 1993: 921-923. DOI: 10.1055/S-1993-22653 |
0.398 |
|
| 1993 |
Haller J, Hense T, Hoppe D. Kinetic Resolution of β-Stereogenic O-Alkyl Carbamates by (-)-Sparteine-Assisted Deprotonation. External versus Internal Chiral Induction. Synlett. 1993: 726-728. DOI: 10.1055/S-1993-22585 |
0.343 |
|
| 1993 |
Hoffmann H, Bolte M, Berger B, Hoppe D. Asymmetric synthesis of cis-hydrindanediones by diels-aider reaction of cyclopentenones bearing a 3-sulfonyl-1,3-oxazolidine ring as chiral auxilliary Tetrahedron Letters. 34: 6537-6540. DOI: 10.1016/0040-4039(93)88098-4 |
0.465 |
|
| 1993 |
Hoffmann H, Bolte M, Berger B, Hoppe D. Asymmetric synthesis of cis-hydrindanediones by diels-aider reaction of cyclopentenones bearing a 3-sulfonyl-1,3-oxazolidine ring as chiral auxilliary Tetrahedron Letters. 34: 6537-6540. DOI: 10.1016/0040-4039(93)88098-4 |
0.332 |
|
| 1993 |
Hoffmann H, Bolte M, Berger B, Hoppe D. Asymmetric synthesis of cis-hydrindanediones by diels-aider reaction of cyclopentenones bearing a 3-sulfonyl-1,3-oxazolidine ring as chiral auxilliary Tetrahedron Letters. 34: 6537-6540. DOI: 10.1016/0040-4039(93)88098-4 |
0.332 |
|
| 1993 |
Hoffmann H, Bolte M, Berger B, Hoppe D. Asymmetric synthesis of cis-hydrindanediones by diels-aider reaction of cyclopentenones bearing a 3-sulfonyl-1,3-oxazolidine ring as chiral auxilliary Tetrahedron Letters. 34: 6537-6540. DOI: 10.1016/0040-4039(93)88098-4 |
0.332 |
|
| 1993 |
Hoffmann H, Bolte M, Berger B, Hoppe D. Asymmetric synthesis of cis-hydrindanediones by diels-aider reaction of cyclopentenones bearing a 3-sulfonyl-1,3-oxazolidine ring as chiral auxilliary Tetrahedron Letters. 34: 6537-6540. DOI: 10.1016/0040-4039(93)88098-4 |
0.332 |
|
| 1993 |
Hoppe D, Paetow M, Hintze F. Stereodivergent Enantioselective Synthesis by Exploiting Unusually Large Kinetic H/D Isotope Effects on Deprotonation Angewandte Chemie International Edition in English. 32: 394-396. DOI: 10.1002/Anie.199303941 |
0.313 |
|
| 1992 |
Hintze F, Hoppe D. Enantioselective synthesis of (S)-1-methyldodecyl acetate, a pheromone of Drosophila mulleri, via (−)-sparteine-assisted deprotonation of 1-dodecanol Synthesis. 1992: 1216-1218. DOI: 10.1055/S-1992-26340 |
0.418 |
|
| 1992 |
Rehders F, Hoppe D. Synthesis of Dihydroxyethylene Isosteres of Dipeptides; 2. Isosteres of Leu-Ala and Leu-Val from Suitably Substituted 3-Dimethylphenylsilyl-4-octanolides Synthesis. 1992: 865-870. DOI: 10.1055/S-1992-26248 |
0.321 |
|
| 1992 |
Rehders F, Hoppe D. Synthesis of Dihydroxyethylene Isosteres of Dipeptides. 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3-dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal Synthesis. 1992: 859-864. DOI: 10.1055/S-1992-26247 |
0.43 |
|
| 1992 |
Sommerfeld P, Hoppe D. Enantioselective Generation of 3-Amino-1-oxy-Substituted Carbanions by Sparteine-Induced Deprotonation: Asymmetric Synthesis of 3-Hydroxyalkylamines Synlett. 1992: 764-766. DOI: 10.1055/S-1992-21487 |
0.436 |
|
| 1992 |
Ahrens H, Paetow M, Hoppe D. Stereoselective generation of 1,3- and 1,4-dioxy-substituted carbanions by sparteine-assisted deprotonation of chiral precursors: Substrate or reagent control in the synthesis of α,γ- and α,δ-diols Tetrahedron Letters. 33: 5327-5330. DOI: 10.1016/S0040-4039(00)79084-8 |
0.342 |
|
| 1992 |
Ahrens H, Paetow M, Hoppe D. Stereoselective generation of 1,3- and 1,4-dioxy-substituted carbanions by sparteine-assisted deprotonation of chiral precursors: Substrate or reagent control in the synthesis of α,γ- and α,δ-diols Tetrahedron Letters. 33: 5327-5330. DOI: 10.1016/S0040-4039(00)79084-8 |
0.342 |
|
| 1992 |
Ahrens H, Paetow M, Hoppe D. Stereoselective generation of 1,3- and 1,4-dioxy-substituted carbanions by sparteine-assisted deprotonation of chiral precursors: Substrate or reagent control in the synthesis of α,γ- and α,δ-diols Tetrahedron Letters. 33: 5327-5330. DOI: 10.1016/S0040-4039(00)79084-8 |
0.342 |
|
| 1992 |
Paetow M, Ahrens H, Hoppe D. Chiral α,ω-dioxy-carbanions from 1,3-propanediol and 1,4-butanediol by sparteine-assisted deprotonation. Enantioselective synthesis of 1,3- and 1,4-diols, (R)-pantolactone, and a cyclopropane. Tetrahedron Letters. 33: 5323-5326. DOI: 10.1016/S0040-4039(00)79083-6 |
0.334 |
|
| 1992 |
Paetow M, Ahrens H, Hoppe D. Chiral α,ω-dioxy-carbanions from 1,3-propanediol and 1,4-butanediol by sparteine-assisted deprotonation. Enantioselective synthesis of 1,3- and 1,4-diols, (R)-pantolactone, and a cyclopropane. Tetrahedron Letters. 33: 5323-5326. DOI: 10.1016/S0040-4039(00)79083-6 |
0.334 |
|
| 1992 |
Paetow M, Ahrens H, Hoppe D. Chiral α,ω-dioxy-carbanions from 1,3-propanediol and 1,4-butanediol by sparteine-assisted deprotonation. Enantioselective synthesis of 1,3- and 1,4-diols, (R)-pantolactone, and a cyclopropane. Tetrahedron Letters. 33: 5323-5326. DOI: 10.1016/S0040-4039(00)79083-6 |
0.334 |
|
| 1992 |
Paetow M, Ahrens H, Hoppe D. Chiral α,ω-dioxy-carbanions from 1,3-propanediol and 1,4-butanediol by sparteine-assisted deprotonation. Enantioselective synthesis of 1,3- and 1,4-diols, (R)-pantolactone, and a cyclopropane. Tetrahedron Letters. 33: 5323-5326. DOI: 10.1016/S0040-4039(00)79083-6 |
0.334 |
|
| 1992 |
Conde-Frieboes K, Hoppe D. Norpseudoephedrine-derived 2-methoxy-3-sulfonyl-1,3-oxazolidines: Chiral, highly diastereoselective formyl cation equivalents Tetrahedron. 48: 6011-6020. DOI: 10.1016/S0040-4020(01)89849-5 |
0.4 |
|
| 1992 |
Conde-Frieboes K, Hoppe D. Norpseudoephedrine-derived 2-methoxy-3-sulfonyl-1,3-oxazolidines: Chiral, highly diastereoselective formyl cation equivalents Tetrahedron. 48: 6011-6020. DOI: 10.1016/S0040-4020(01)89849-5 |
0.314 |
|
| 1992 |
Zschage O, Hoppe D. 1-(N,N-Diisopropylcarbamoyloxy)-1,3-dimethylallyllithium·(−)-sparteine: stereochemistry of the enantioselective carboxylation and methoxycarbonylation Tetrahedron. 48: 8389-8392. DOI: 10.1016/S0040-4020(01)86587-X |
0.449 |
|
| 1992 |
Zschage O, Schwark J, Krämer T, Hoppe D. Enantiomerically enriched 1-(N,N-diisopropylcarbamoyloxy)-1,3-dimethylallyllithium: stereochemistry of the stannylation, titanation, and the homoaldol reaction Tetrahedron. 48: 8377-8388. DOI: 10.1016/S0040-4020(01)86586-8 |
0.425 |
|
| 1992 |
Paulsen H, Hoppe D. Synthesis of the insect pheromone (+)-eldanoline by enantioselective homoaldol reaction Tetrahedron. 48: 5667-5670. DOI: 10.1016/0040-4020(92)80017-A |
0.476 |
|
| 1992 |
Zschage O, Hoppe D. Sparteine complexes of lithiated primary O-2-alkenyl carbamates stereochemistry of the lithium-titanium exchange and application for the synthesis of enantiomerically enriched γ-lactones Tetrahedron. 48: 5657-5666. DOI: 10.1016/0040-4020(92)80016-9 |
0.431 |
|
| 1992 |
Peschke B, Lüßmann J, Hoppe D, Dyrbusch Z. Diastereo- and enantioselective synthesis of 1,2:5,6-diepoxy-4-hydroxyalkyl carbamates. – regioselective ring opening and their transformation into doublyC-branched deoxy sugar analogues Chemische Berichte. 125: 1421-1430. DOI: 10.1002/Cber.19921250620 |
0.429 |
|
| 1992 |
Schwerdtfeger J, Hoppe D. Stereoselective Generation of 1-Acyloxy-2-amino Carbanions by Deprotonation; Synthesis of Enantiomerically and Diastereomerically Pureβ-Amino Alcohols Angewandte Chemie International Edition in English. 31: 1505-1507. DOI: 10.1002/Anie.199215051 |
0.321 |
|
| 1992 |
Schwerdtfeger J, Hoppe D. Stereoselektive Erzeugung von 1-Acyloxy-2-amino-Carbanionen durch Deprotonierung; Synthese von enantio- und diastereomerenreinen β-Aminoalkoholen Angewandte Chemie. 104: 1547-1549. DOI: 10.1002/Ange.19921041137 |
0.327 |
|
| 1991 |
Hoppe I, Hoffmann H, Gärtner I, Krettek T, Hoppe D. Diastereoselective Synthesis of Enantiomerically Pure 3-Organosulfonyl-2-(2-oxocycloalkyl)-1,3-oxazolidines from 2-Formylcycloalkanones and β-Aminoalkanols Synthesis. 1991: 1157-1162. DOI: 10.1055/S-1991-28410 |
0.458 |
|
| 1991 |
Behrens U, Wolff C, Hoppe D. Stereoselective Synthesis of Alkyl α-(1,3-Alkadien-2-yl)acetates and -propionates by Allene Claisen Rearrangement Synthesis. 1991: 644-646. DOI: 10.1055/S-1991-26534 |
0.48 |
|
| 1991 |
Hanko R, Rabe K, Dally R, Hoppe D. Stereoselective Synthesis of Cyclic Dipeptide Hydroxyalkyl Isosteres via MetalatedN,N-Dialkylcarbamate 2-Alkenyl Esters Angewandte Chemie International Edition in English. 30: 1690-1693. DOI: 10.1002/Anie.199116901 |
0.453 |
|
| 1991 |
Marsch M, Harms K, Zschage O, Hoppe D, Boche G. η1-(1S, 2E)-1-(N,N-diisopropylcarbamoyloxy)-3-trimethylsilylallyllithium()-Sparteine: Structure of a Chiral, Carbamoyloxy-substituted Allyllithium Compound Angewandte Chemie International Edition in English. 30: 321-323. DOI: 10.1002/Anie.199103211 |
0.402 |
|
| 1991 |
Hanko R, Rabe K, Dally R, Hoppe D. Stereoselektive Synthese von cyclischen Hydroxyalkyl-Dipeptidisosteren über metallierteN,N-Dialkylcarbamidsäure-2-alkenylester Angewandte Chemie. 103: 1725-1727. DOI: 10.1002/Ange.19911031242 |
0.357 |
|
| 1991 |
Marsch M, Harms K, Zschage O, Hoppe D, Boche G. η1-(1S,2E)-1-(N, N-Diisopropylcarbamoyloxy)-3-trimethylsilyl-allyllithium-(-)-Spartein: Struktur einer chiralen, Carbamoyloxy-substituierten Allyllithium-Verbindung Angewandte Chemie. 103: 338-339. DOI: 10.1002/Ange.19911030327 |
0.306 |
|
| 1990 |
Hoppe D, Kramer T, Schwark J-, Zschage O. Metallated 2-alkenyl carbamates: chiral homoenolate reagents for asymmetric synthesis Pure and Applied Chemistry. 62: 1999-2006. DOI: 10.1351/Pac199062101999 |
0.465 |
|
| 1990 |
Schwark J, Hoppe D. Synthesis of Enantiomerically Pure 1-Methyl-2-alkenylN,N-Diisopropylcarbamates from (S)- or (R)-Lactates Synthesis. 1990: 291-294. DOI: 10.1055/S-1990-26855 |
0.432 |
|
| 1990 |
Conde-Frieboes K, Hoppe D. Synthesis of Enantiomerically Pure 2,4-trans-Substituted 3-Arenesulfonyl-1,3-oxazolidines by Lewis Acid Mediated Substitution of the 2-Methoxy Derivatives and their Epimerization Synlett. 1990: 99-102. DOI: 10.1055/S-1990-21000 |
0.441 |
|
| 1990 |
Conde-Frieboes K, Hoppe D. Synthesis of Enantiomerically Pure 2,4-trans-Substituted 3-Arenesulfonyl-1,3-oxazolidines by Lewis Acid Mediated Substitution of the 2-Methoxy Derivatives and their Epimerization Synlett. 1990: 99-102. DOI: 10.1055/s-1990-21000 |
0.332 |
|
| 1990 |
Conde-Frieboes K, Hoppe D. Synthesis of Enantiomerically Pure 2,4-trans-Substituted 3-Arenesulfonyl-1,3-oxazolidines by Lewis Acid Mediated Substitution of the 2-Methoxy Derivatives and their Epimerization Synlett. 1990: 99-102. DOI: 10.1055/s-1990-21000 |
0.332 |
|
| 1990 |
Conde-Frieboes K, Hoppe D. Synthesis of Enantiomerically Pure 2,4-trans-Substituted 3-Arenesulfonyl-1,3-oxazolidines by Lewis Acid Mediated Substitution of the 2-Methoxy Derivatives and their Epimerization Synlett. 1990: 99-102. DOI: 10.1055/s-1990-21000 |
0.332 |
|
| 1990 |
Conde-Frieboes K, Hoppe D. Synthesis of Enantiomerically Pure 2,4-trans-Substituted 3-Arenesulfonyl-1,3-oxazolidines by Lewis Acid Mediated Substitution of the 2-Methoxy Derivatives and their Epimerization Synlett. 1990: 99-102. DOI: 10.1055/s-1990-21000 |
0.332 |
|
| 1990 |
Hoppe I, Hoppe D, Herbst-Irmer R, Egert E. Asymmetric aldol addition reactions of a chiral 3-sulfonyl-1,3-oxazolidine-masked lithium 2-formylcyclohexanone enolate Tetrahedron Letters. 31: 6859-6862. DOI: 10.1016/S0040-4039(00)97190-9 |
0.469 |
|
| 1990 |
Hoppe I, Hoppe D, Herbst-Irmer R, Egert E. Asymmetric aldol addition reactions of a chiral 3-sulfonyl-1,3-oxazolidine-masked lithium 2-formylcyclohexanone enolate Tetrahedron Letters. 31: 6859-6862. DOI: 10.1016/S0040-4039(00)97190-9 |
0.318 |
|
| 1990 |
Hoppe I, Hoppe D, Herbst-Irmer R, Egert E. Asymmetric aldol addition reactions of a chiral 3-sulfonyl-1,3-oxazolidine-masked lithium 2-formylcyclohexanone enolate Tetrahedron Letters. 31: 6859-6862. DOI: 10.1016/S0040-4039(00)97190-9 |
0.318 |
|
| 1990 |
Hoppe D, Carstens A, Krámer T. Generation of a Configurationally Stable Chiral Benzyllithium Derivative, and the Capricious Stereochemistry of Its Electrophilic Substitution Angewandte Chemie International Edition in English. 29: 1424-1425. DOI: 10.1002/Anie.199014241 |
0.427 |
|
| 1990 |
Hoppe D, Carstens A, Krámer T. Generation of a Configurationally Stable Chiral Benzyllithium Derivative, and the Capricious Stereochemistry of Its Electrophilic Substitution Angewandte Chemie International Edition in English. 29: 1424-1425. DOI: 10.1002/anie.199014241 |
0.315 |
|
| 1990 |
Hoppe D, Carstens A, Krámer T. Generation of a Configurationally Stable Chiral Benzyllithium Derivative, and the Capricious Stereochemistry of Its Electrophilic Substitution Angewandte Chemie International Edition in English. 29: 1424-1425. DOI: 10.1002/anie.199014241 |
0.315 |
|
| 1990 |
Hoppe D, Carstens A, Krámer T. Generation of a Configurationally Stable Chiral Benzyllithium Derivative, and the Capricious Stereochemistry of Its Electrophilic Substitution Angewandte Chemie International Edition in English. 29: 1424-1425. DOI: 10.1002/anie.199014241 |
0.315 |
|
| 1990 |
Hoppe D, Hintze F, Tebben P. Chiral Lithium-1-oxyalkanides by Asymmetric Deprotonation; Enantioselective Synthesis of 2-Hydroxyalkanoic Acids and Secondary Alkanols Angewandte Chemie International Edition in English. 29: 1422-1424. DOI: 10.1002/Anie.199014221 |
0.416 |
|
| 1990 |
Hoppe D, Hintze F, Tebben P. Chiral Lithium-1-oxyalkanides by Asymmetric Deprotonation; Enantioselective Synthesis of 2-Hydroxyalkanoic Acids and Secondary Alkanols Angewandte Chemie International Edition in English. 29: 1422-1424. DOI: 10.1002/anie.199014221 |
0.302 |
|
| 1990 |
Hoppe D, Hintze F, Tebben P. Chiral Lithium-1-oxyalkanides by Asymmetric Deprotonation; Enantioselective Synthesis of 2-Hydroxyalkanoic Acids and Secondary Alkanols Angewandte Chemie International Edition in English. 29: 1422-1424. DOI: 10.1002/anie.199014221 |
0.302 |
|
| 1990 |
Hoppe D, Hintze F, Tebben P. Chiral Lithium-1-oxyalkanides by Asymmetric Deprotonation; Enantioselective Synthesis of 2-Hydroxyalkanoic Acids and Secondary Alkanols Angewandte Chemie International Edition in English. 29: 1422-1424. DOI: 10.1002/anie.199014221 |
0.302 |
|
| 1990 |
Hoppe D, Hintze F, Tebben P. Chiral Lithium-1-oxyalkanides by Asymmetric Deprotonation; Enantioselective Synthesis of 2-Hydroxyalkanoic Acids and Secondary Alkanols Angewandte Chemie International Edition in English. 29: 1422-1424. DOI: 10.1002/anie.199014221 |
0.302 |
|
| 1990 |
Zschage O, Schwark J, Hoppe D. Preparation of an Enantiomerically Enriched Allyllithium Derivative by Deprotonation with Kinetic Resolution of Enantiomers Angewandte Chemie International Edition in English. 29: 296-298. DOI: 10.1002/Anie.199002961 |
0.375 |
|
| 1990 |
Hoppe D, Carstens A, Krämer T. Erzeugung eines konfigurationsstabilen, chiralen Benzyllithium-Derivates und kapriziöse Stereochemie seiner elektrophilen Substitution Angewandte Chemie. 102: 1455-1456. DOI: 10.1002/Ange.19901021217 |
0.378 |
|
| 1989 |
Tarara G, Hoppe D. Total Synthesis of Protected D-altro- and D-galacto-3,6-Dideoxy-3-C-methylhexoses; Key Intermediates of a Rifamycin S Synthesis Synthesis. 1989: 89-92. DOI: 10.1055/S-1989-27160 |
0.442 |
|
| 1989 |
Krämer T, Schwark J, Hoppe D. Enantiomerically enriched allystannanes from chiral allyllithium derivatives and their highly regio-, diastereo- and enantioselective hydroxyalkylation Tetrahedron Letters. 30: 7037-7040. DOI: 10.1016/S0040-4039(01)93417-3 |
0.425 |
|
| 1989 |
Tebben P, Reggelin M, Hoppe D. Enantiomerically pure α′,β′-difunctionalized α,β-enones by highly diastereoselective nucleophilic alkenoylation of chiral aldehydes Tetrahedron Letters. 30: 2919-2922. DOI: 10.1016/S0040-4039(00)99158-5 |
0.702 |
|
| 1989 |
Tebben P, Reggelin M, Hoppe D. Enantiomerically pure α′,β′-difunctionalized α,β-enones by highly diastereoselective nucleophilic alkenoylation of chiral aldehydes Tetrahedron Letters. 30: 2919-2922. DOI: 10.1016/S0040-4039(00)99158-5 |
0.307 |
|
| 1989 |
Tebben P, Reggelin M, Hoppe D. Enantiomerically pure α′,β′-difunctionalized α,β-enones by highly diastereoselective nucleophilic alkenoylation of chiral aldehydes Tetrahedron Letters. 30: 2919-2922. DOI: 10.1016/S0040-4039(00)99158-5 |
0.307 |
|
| 1989 |
Tebben P, Reggelin M, Hoppe D. Enantiomerically pure α′,β′-difunctionalized α,β-enones by highly diastereoselective nucleophilic alkenoylation of chiral aldehydes Tetrahedron Letters. 30: 2919-2922. DOI: 10.1016/S0040-4039(00)99158-5 |
0.307 |
|
| 1989 |
Reggelin M, Tebben P, Hoppe D. Synthesis and deprotonation of 1-(p-toluenesulfonyl)-2-al-kenyl carbamates. Dichotomous achiral d1 and chiral d3 reagents for carbonyl addition directed by metal exchange Tetrahedron Letters. 30: 2915-2918. DOI: 10.1016/S0040-4039(00)99157-3 |
0.702 |
|
| 1989 |
Reggelin M, Tebben P, Hoppe D. Synthesis and deprotonation of 1-(p-toluenesulfonyl)-2-al-kenyl carbamates. Dichotomous achiral d1 and chiral d3 reagents for carbonyl addition directed by metal exchange Tetrahedron Letters. 30: 2915-2918. DOI: 10.1016/S0040-4039(00)99157-3 |
0.576 |
|
| 1989 |
Hoppe D, Krämer T, Erdbrügger CF, Egert E. Synthesis of highly substituted, diastereomerically and enantiomerically pure 3-acyl-tetrahydrofurans from 4-hydroxy-1-alkenyl-carbamates Tetrahedron Letters. 30: 1233-1236. DOI: 10.1016/S0040-4039(00)72723-7 |
0.48 |
|
| 1989 |
Hoppe D, Krämer T, Erdbrügger CF, Egert E. Synthesis of highly substituted, diastereomerically and enantiomerically pure 3-acyl-tetrahydrofurans from 4-hydroxy-1-alkenyl-carbamates Tetrahedron Letters. 30: 1233-1236. DOI: 10.1016/S0040-4039(00)72723-7 |
0.377 |
|
| 1989 |
Hoppe D, Krämer T, Erdbrügger CF, Egert E. Synthesis of highly substituted, diastereomerically and enantiomerically pure 3-acyl-tetrahydrofurans from 4-hydroxy-1-alkenyl-carbamates Tetrahedron Letters. 30: 1233-1236. DOI: 10.1016/S0040-4039(00)72723-7 |
0.377 |
|
| 1989 |
Hoppe D, Krämer T, Erdbrügger CF, Egert E. Synthesis of highly substituted, diastereomerically and enantiomerically pure 3-acyl-tetrahydrofurans from 4-hydroxy-1-alkenyl-carbamates Tetrahedron Letters. 30: 1233-1236. DOI: 10.1016/S0040-4039(00)72723-7 |
0.377 |
|
| 1989 |
Schmincke H, Hoppe D. Studies toward the total synthesis of 1-oxacephalosporins 3: synthesis of a (±)-trans-7-benzoylamino-3-carbamoyloxymethyl-1-oxa-3-cepheh-3-carboxylate from 1,3-dihydroxyacetone Tetrahedron. 45: 701-707. DOI: 10.1016/0040-4020(89)80100-0 |
0.462 |
|
| 1989 |
Hoppe D, Schmincke H, Kleemann H. Studies toward the total synthesis of 1-oxacephalosporins 2: synthesis and reactions of oxazolinoazetidinones bearing a γ,γ'-bis-oxygen-functionalized β-methylbutenoate side chain Tetrahedron. 45: 695-699. DOI: 10.1016/0040-4020(89)80099-7 |
0.464 |
|
| 1989 |
Hoppe D, Schmincke H, Kleemann H. Studies toward the total synthesis of 1-oxacephalosporins 1: 3-amino-4-thio-2-azetidinones with protected γ.γ'-dihydroxyalkenoate side chain Tetrahedron. 45: 687-694. DOI: 10.1016/0040-4020(89)80098-5 |
0.446 |
|
| 1989 |
SCHMINCKE H, HOPPE D. ChemInform Abstract: Total Synthesis of 1-Oxacephalosporins. Part 3. Synthesis of a (.+-.)-trans-7-Benzoylamino-3-carbamoyloxymethyl-1-oxa-3-cephem-3-carboxylate from 1,3-Dihydroxyacetone. Cheminform. 20. DOI: 10.1002/chin.198927329 |
0.305 |
|
| 1989 |
SCHMINCKE H, HOPPE D. ChemInform Abstract: Total Synthesis of 1-Oxacephalosporins. Part 3. Synthesis of a (.+-.)-trans-7-Benzoylamino-3-carbamoyloxymethyl-1-oxa-3-cephem-3-carboxylate from 1,3-Dihydroxyacetone. Cheminform. 20. DOI: 10.1002/chin.198927329 |
0.305 |
|
| 1989 |
SCHMINCKE H, HOPPE D. ChemInform Abstract: Total Synthesis of 1-Oxacephalosporins. Part 3. Synthesis of a (.+-.)-trans-7-Benzoylamino-3-carbamoyloxymethyl-1-oxa-3-cephem-3-carboxylate from 1,3-Dihydroxyacetone. Cheminform. 20. DOI: 10.1002/chin.198927329 |
0.305 |
|
| 1989 |
Hoppe D, Zschage O. Asymmetric Homoaldol Reaction by Enantioselective Lithiation of a Prochiral 2-Butenyl Carbamate Angewandte Chemie International Edition in English. 28: 69-71. DOI: 10.1002/Anie.198900691 |
0.387 |
|
| 1989 |
Hoppe I, Hoppe D, Wolff C, Egert E, Herbst R. 3-Arylsulfonyloxazolidines as Chiral Templates; Asymmetric Synthesis of 2-Substituted 2-Hydroxycyclohexanecarbaldehydes from 2-Hydroxymethylenecyclohexanone Angewandte Chemie International Edition in English. 28: 67-69. DOI: 10.1002/Anie.198900671 |
0.446 |
|
| 1989 |
Hoppe I, Hoppe D, Wolff C, Egert E, Herbst R. 3-Arylsulfonyloxazolidines as Chiral Templates; Asymmetric Synthesis of 2-Substituted 2-Hydroxycyclohexanecarbaldehydes from 2-Hydroxymethylenecyclohexanone Angewandte Chemie International Edition in English. 28: 67-69. DOI: 10.1002/anie.198900671 |
0.337 |
|
| 1989 |
Hoppe I, Hoppe D, Wolff C, Egert E, Herbst R. 3-Arylsulfonyloxazolidines as Chiral Templates; Asymmetric Synthesis of 2-Substituted 2-Hydroxycyclohexanecarbaldehydes from 2-Hydroxymethylenecyclohexanone Angewandte Chemie International Edition in English. 28: 67-69. DOI: 10.1002/anie.198900671 |
0.337 |
|
| 1989 |
Hoppe I, Hoppe D, Wolff C, Egert E, Herbst R. 3-Arylsulfonyloxazolidines as Chiral Templates; Asymmetric Synthesis of 2-Substituted 2-Hydroxycyclohexanecarbaldehydes from 2-Hydroxymethylenecyclohexanone Angewandte Chemie International Edition in English. 28: 67-69. DOI: 10.1002/anie.198900671 |
0.337 |
|
| 1989 |
Hoppe I, Hoppe D, Wolff C, Egert E, Herbst R. 3-Arylsulfonyloxazolidines as Chiral Templates; Asymmetric Synthesis of 2-Substituted 2-Hydroxycyclohexanecarbaldehydes from 2-Hydroxymethylenecyclohexanone Angewandte Chemie International Edition in English. 28: 67-69. DOI: 10.1002/anie.198900671 |
0.337 |
|
| 1989 |
Hoppe I, Hoppe D, Wolff C, Egert E, Herbst R. 3-Arylsulfonyloxazolidine als chirale Template; asymmetrische Synthese von 2-substituierten 2-Hydroxycyclohexancarbaldehyden aus 2-Hydroxymethylencyclohexanon Angewandte Chemie. 101: 65-67. DOI: 10.1002/Ange.19891010115 |
0.312 |
|
| 1987 |
Egert E, Beck H, Schmidt D, Gonschorrek C, Hoppe D. Stereoselective synthesis of functionalized, tetra- and penta-substituted 1,3-butadienes by allene claisen rearrangement Tetrahedron Letters. 28: 789-792. DOI: 10.1016/S0040-4039(01)80990-4 |
0.324 |
|
| 1987 |
Hoppe D, Gonschorrek C. 4-Oxy-substituted 1-lithio-1,2-alkadienyl carbamates: Trapping of configuratively stable allenic carbanions and stereospeific 1,4-elimination for the synthesis of alk-3-en-1-ynyl carbamates. Tetrahedron Letters. 28: 785-788. DOI: 10.1016/S0040-4039(01)80989-8 |
0.333 |
|
| 1987 |
Hoppe D, Gonschorrek C. 4-Oxy-substituted 1-lithio-1,2-alkadienyl carbamates: Trapping of configuratively stable allenic carbanions and stereospeific 1,4-elimination for the synthesis of alk-3-en-1-ynyl carbamates. Tetrahedron Letters. 28: 785-788. DOI: 10.1016/S0040-4039(01)80989-8 |
0.308 |
|
| 1987 |
Hoppe D, Gonschorrek C. 4-Oxy-substituted 1-lithio-1,2-alkadienyl carbamates: Trapping of configuratively stable allenic carbanions and stereospeific 1,4-elimination for the synthesis of alk-3-en-1-ynyl carbamates. Tetrahedron Letters. 28: 785-788. DOI: 10.1016/S0040-4039(01)80989-8 |
0.333 |
|
| 1987 |
Hoppe D, Gonschorrek C. 4-Oxy-substituted 1-lithio-1,2-alkadienyl carbamates: Trapping of configuratively stable allenic carbanions and stereospeific 1,4-elimination for the synthesis of alk-3-en-1-ynyl carbamates. Tetrahedron Letters. 28: 785-788. DOI: 10.1016/S0040-4039(01)80989-8 |
0.308 |
|
| 1987 |
Krämer T, Hoppe D. Reagent-controlled enantioselective homoaldol reaction with chiral 1-oxyallyllithium derivatives. Enantio-divergent tuning by achiral titanium reagents Tetrahedron Letters. 28: 5149-5152. DOI: 10.1016/S0040-4039(00)95614-4 |
0.468 |
|
| 1987 |
Hoppe D, Hilpert T. Enantioselective total synthesis of the fungicide β-lactam antibiotic (-)-(2S,5S)-2-(2-hydroxyethyl)clavam and its (+)-(2S,5R)-epimer Tetrahedron. 43: 2467-2474. DOI: 10.1016/S0040-4020(01)81652-5 |
0.371 |
|
| 1987 |
Hoppe D, Gonschorrek C, Schmidt D, Egert E. Highly regio- and syn-diastereoselective synthesis of 4-hydroxy-1,2-alkadienylcarbamates from α-titanatedl 2-alkynylcarbamates and aldehydes1,2 Tetrahedron. 43: 2457-2466. DOI: 10.1016/S0040-4020(01)81651-3 |
0.512 |
|
| 1987 |
Hoffmann RW, Lanz J, Metternich R, Tarara G, Hoppe D. Estimation of the Configurational Stability of Chiral Organometallic Reagents Angewandte Chemie International Edition in English. 26: 1145-1146. DOI: 10.1002/Anie.198711451 |
0.305 |
|
| 1987 |
Hoffmann RW, Lanz J, Metternich R, Tarara G, Hoppe D. Abschätzung der konfigurativen Stabilität chiraler Organometallreagentien Angewandte Chemie. 99: 1196-1197. DOI: 10.1002/Ange.19870991124 |
0.342 |
|
| 1986 |
Lüßmann J, Hoppe D, Jones PG, Fittschen C, Sheldrick GM. Diastereoselective synthesis of 2,3,4-trisubstituted γ-lactols and γ-lactones via regio- and stereocontrolled opening of a 1,2-epoxy-4-hydroxyalkyl carbamate with hetero-nucleophiles Tetrahedron Letters. 27: 3595-3598. DOI: 10.1016/S0040-4039(00)84858-3 |
0.321 |
|
| 1986 |
Lüßmann J, Hoppe D, Jones PG, Fittschen C, Sheldrick GM. Diastereoselective synthesis of 2,3,4-trisubstituted γ-lactols and γ-lactones via regio- and stereocontrolled opening of a 1,2-epoxy-4-hydroxyalkyl carbamate with hetero-nucleophiles Tetrahedron Letters. 27: 3595-3598. DOI: 10.1016/S0040-4039(00)84858-3 |
0.321 |
|
| 1986 |
Lüßmann J, Hoppe D, Jones PG, Fittschen C, Sheldrick GM. Diastereoselective synthesis of 2,3,4-trisubstituted γ-lactols and γ-lactones via regio- and stereocontrolled opening of a 1,2-epoxy-4-hydroxyalkyl carbamate with hetero-nucleophiles Tetrahedron Letters. 27: 3595-3598. DOI: 10.1016/S0040-4039(00)84858-3 |
0.321 |
|
| 1986 |
Hoppe D, Lüßmann J, Jones PG, Schmidt D, Sheldrick GM. Highly diastereoselective synthesis of 1,2-epoxy-4-hydroxyalkyl carbamates. Masked and activated α,γ-dihydroxy-alkanals and -alkanones Tetrahedron Letters. 27: 3591-3594. DOI: 10.1016/S0040-4039(00)84857-1 |
0.316 |
|
| 1986 |
HOPPE D, LUESSMANN J, JONES PG, SCHMIDT D, SHELDRICK GM, FITTSCHEN C. ChemInform Abstract: Highly Diastereoselective Synthesis of 1,2-Epoxy-4-hydroxyalkyl Carbamates. Masked and Activated α,γ-Dihydroxy-alkanals and -alkanones. Diastereoselective Synthesis of 2,3,4-Trisubstituted γ-Lactols and γ-Lactones via Regio- and Stere Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198649168 |
0.442 |
|
| 1986 |
HOPPE D, LUESSMANN J, JONES PG, SCHMIDT D, SHELDRICK GM, FITTSCHEN C. ChemInform Abstract: Highly Diastereoselective Synthesis of 1,2-Epoxy-4-hydroxyalkyl Carbamates. Masked and Activated α,γ-Dihydroxy-alkanals and -alkanones. Diastereoselective Synthesis of 2,3,4-Trisubstituted γ-Lactols and γ-Lactones via Regio- and Stere Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198649168 |
0.333 |
|
| 1986 |
HOPPE D, LUESSMANN J, JONES PG, SCHMIDT D, SHELDRICK GM, FITTSCHEN C. ChemInform Abstract: Highly Diastereoselective Synthesis of 1,2-Epoxy-4-hydroxyalkyl Carbamates. Masked and Activated α,γ-Dihydroxy-alkanals and -alkanones. Diastereoselective Synthesis of 2,3,4-Trisubstituted γ-Lactols and γ-Lactones via Regio- and Stere Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198649168 |
0.333 |
|
| 1986 |
HOPPE D, LUESSMANN J, JONES PG, SCHMIDT D, SHELDRICK GM, FITTSCHEN C. ChemInform Abstract: Highly Diastereoselective Synthesis of 1,2-Epoxy-4-hydroxyalkyl Carbamates. Masked and Activated α,γ-Dihydroxy-alkanals and -alkanones. Diastereoselective Synthesis of 2,3,4-Trisubstituted γ-Lactols and γ-Lactones via Regio- and Stere Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198649168 |
0.333 |
|
| 1986 |
HOPPE D, LUESSMANN J, JONES PG, SCHMIDT D, SHELDRICK GM, FITTSCHEN C. ChemInform Abstract: Highly Diastereoselective Synthesis of 1,2-Epoxy-4-hydroxyalkyl Carbamates. Masked and Activated α,γ-Dihydroxy-alkanals and -alkanones. Diastereoselective Synthesis of 2,3,4-Trisubstituted γ-Lactols and γ-Lactones via Regio- and Stere Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198649168 |
0.333 |
|
| 1986 |
HOPPE D, KRAEMER T. ChemInform Abstract: Metalated Nitrogen Derivatives of Carbonic Acid in Organic Synthesis. Part 31. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion - the Homoaldol Reaction with 1,3-Chirality T Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198622082 |
0.342 |
|
| 1986 |
HOPPE D, KRAEMER T. ChemInform Abstract: Metalated Nitrogen Derivatives of Carbonic Acid in Organic Synthesis. Part 31. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion - the Homoaldol Reaction with 1,3-Chirality T Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198622082 |
0.342 |
|
| 1986 |
HOPPE D, KRAEMER T. ChemInform Abstract: Metalated Nitrogen Derivatives of Carbonic Acid in Organic Synthesis. Part 31. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion - the Homoaldol Reaction with 1,3-Chirality T Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198622082 |
0.342 |
|
| 1986 |
HOPPE D, KRAEMER T. ChemInform Abstract: Metalated Nitrogen Derivatives of Carbonic Acid in Organic Synthesis. Part 31. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion - the Homoaldol Reaction with 1,3-Chirality T Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198622082 |
0.342 |
|
| 1986 |
Hoppe D, Krämer T. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion- the Homoaldol Reaction with 1,3-Chirality Transfer Angewandte Chemie International Edition in English. 25: 160-162. DOI: 10.1002/Anie.198601601 |
0.432 |
|
| 1986 |
Hoppe D, Krämer T. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion- the Homoaldol Reaction with 1,3-Chirality Transfer Angewandte Chemie International Edition in English. 25: 160-162. DOI: 10.1002/anie.198601601 |
0.32 |
|
| 1986 |
Hoppe D, Krämer T. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion- the Homoaldol Reaction with 1,3-Chirality Transfer Angewandte Chemie International Edition in English. 25: 160-162. DOI: 10.1002/anie.198601601 |
0.32 |
|
| 1986 |
Hoppe D, Krämer T. α-Deprotonation of an α-Chiral 2-Alkenylcarbamate with Retention and Lithium-Titanium Exchange with Inversion- the Homoaldol Reaction with 1,3-Chirality Transfer Angewandte Chemie International Edition in English. 25: 160-162. DOI: 10.1002/anie.198601601 |
0.32 |
|
| 1986 |
Hoppe D, Krämer T. α-Deprotonierung eines α-chiralen 2-Alkenylcarbamats unter Retention und Lithium-Titan-Austausch unter Inversion - zur Homoaldol-Reaktion unter 1,3-Chiralitätsübertragung Angewandte Chemie. 98: 171-173. DOI: 10.1002/Ange.19860980212 |
0.365 |
|
| 1985 |
van Hülsen E, Hoppe D. Completely stereoselective synthesis of all four stereoisomeric 1-carbamoyloxy-1,3-alkadienes via anti-diastereoselective homoaldol reaction from aldehydes and a single carbon-three-unit Tetrahedron Letters. 26: 411-414. DOI: 10.1016/S0040-4039(00)61897-X |
0.347 |
|
| 1985 |
HOPPE D, GONSCHORREK C, EGERT E, SCHMIDT D. ChemInform Abstract: Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese. 30.Mitt. Allen-Claisen-Umlagerung mit 1,4-Chiralitätsübertragung. Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198548099 |
0.398 |
|
| 1985 |
HOPPE D, HANKO R, BROENNEKE A, LICHTENBERG F, VAN HUELSEN E. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. XXVII. HOMOALDOL REACTION. VII. LITHIATION OF ACYCLIC 2-ALKENYL N,N-DIALKYLCARBAMATES. - SILYLATION AND Γ-SELECTIVE α-HYDROXYALKYLATION OF HOMOENOLATE REAGENTS Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198543098 |
0.459 |
|
| 1985 |
HOPPE D, HANKO R, BROENNEKE A, LICHTENBERG F, VAN HUELSEN E. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. XXVII. HOMOALDOL REACTION. VII. LITHIATION OF ACYCLIC 2-ALKENYL N,N-DIALKYLCARBAMATES. - SILYLATION AND Γ-SELECTIVE α-HYDROXYALKYLATION OF HOMOENOLATE REAGENTS Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198543098 |
0.353 |
|
| 1985 |
HOPPE D, HANKO R, BROENNEKE A, LICHTENBERG F, VAN HUELSEN E. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. XXVII. HOMOALDOL REACTION. VII. LITHIATION OF ACYCLIC 2-ALKENYL N,N-DIALKYLCARBAMATES. - SILYLATION AND Γ-SELECTIVE α-HYDROXYALKYLATION OF HOMOENOLATE REAGENTS Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198543098 |
0.353 |
|
| 1985 |
HOPPE D, HANKO R, BROENNEKE A, LICHTENBERG F, VAN HUELSEN E. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. XXVII. HOMOALDOL REACTION. VII. LITHIATION OF ACYCLIC 2-ALKENYL N,N-DIALKYLCARBAMATES. - SILYLATION AND Γ-SELECTIVE α-HYDROXYALKYLATION OF HOMOENOLATE REAGENTS Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198543098 |
0.353 |
|
| 1985 |
HOPPE D, HANKO R, BROENNEKE A, LICHTENBERG F, VAN HUELSEN E. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. XXVII. HOMOALDOL REACTION. VII. LITHIATION OF ACYCLIC 2-ALKENYL N,N-DIALKYLCARBAMATES. - SILYLATION AND Γ-SELECTIVE α-HYDROXYALKYLATION OF HOMOENOLATE REAGENTS Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198543098 |
0.353 |
|
| 1985 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F, van Hülsen E. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, XXVII. – Homoaldol-Reaktion, VII. Lithiierung acyclischerN,N-Dialkylcarbamidsäure-2-alkenylester; Silylierung und γ-selektive α-Hydroxyalkylierung von Homoenolat-Reagenzien Chemische Berichte. 118: 2822-2851. DOI: 10.1002/Cber.19851180723 |
0.498 |
|
| 1985 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F, van Hülsen E. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, XXVII. – Homoaldol-Reaktion, VII. Lithiierung acyclischerN,N-Dialkylcarbamidsäure-2-alkenylester; Silylierung und γ-selektive α-Hydroxyalkylierung von Homoenolat-Reagenzien Chemische Berichte. 118: 2822-2851. DOI: 10.1002/cber.19851180723 |
0.337 |
|
| 1985 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F, van Hülsen E. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, XXVII. – Homoaldol-Reaktion, VII. Lithiierung acyclischerN,N-Dialkylcarbamidsäure-2-alkenylester; Silylierung und γ-selektive α-Hydroxyalkylierung von Homoenolat-Reagenzien Chemische Berichte. 118: 2822-2851. DOI: 10.1002/cber.19851180723 |
0.337 |
|
| 1985 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F, van Hülsen E. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, XXVII. – Homoaldol-Reaktion, VII. Lithiierung acyclischerN,N-Dialkylcarbamidsäure-2-alkenylester; Silylierung und γ-selektive α-Hydroxyalkylierung von Homoenolat-Reagenzien Chemische Berichte. 118: 2822-2851. DOI: 10.1002/cber.19851180723 |
0.337 |
|
| 1985 |
Hoppe D, Gonschorrek C, Egert E, Schmidt D. Allene Claisen Rearrangement with 1,4-Chirality Transfer Angewandte Chemie International Edition in English. 24: 700-701. DOI: 10.1002/Anie.198507001 |
0.306 |
|
| 1984 |
HOPPE D, LICHTENBERG F. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. PART 26. SYN-DIASTEREOSELECTIVE HOMOALDOL REACTIONS: Γ-HYDROXYALKYLATION OF (Z)-2-BUTENYL CARBAMATES AND SYNTHESIS OF β,Γ-CIS-DI- AND -TRISUBSTITUTED Γ-LACTONES Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198430092 |
0.329 |
|
| 1984 |
HOPPE D, LICHTENBERG F. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. PART 26. SYN-DIASTEREOSELECTIVE HOMOALDOL REACTIONS: Γ-HYDROXYALKYLATION OF (Z)-2-BUTENYL CARBAMATES AND SYNTHESIS OF β,Γ-CIS-DI- AND -TRISUBSTITUTED Γ-LACTONES Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198430092 |
0.329 |
|
| 1984 |
HOPPE D, LICHTENBERG F. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. PART 26. SYN-DIASTEREOSELECTIVE HOMOALDOL REACTIONS: Γ-HYDROXYALKYLATION OF (Z)-2-BUTENYL CARBAMATES AND SYNTHESIS OF β,Γ-CIS-DI- AND -TRISUBSTITUTED Γ-LACTONES Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198430092 |
0.329 |
|
| 1984 |
HOPPE D, LICHTENBERG F. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. PART 26. SYN-DIASTEREOSELECTIVE HOMOALDOL REACTIONS: Γ-HYDROXYALKYLATION OF (Z)-2-BUTENYL CARBAMATES AND SYNTHESIS OF β,Γ-CIS-DI- AND -TRISUBSTITUTED Γ-LACTONES Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198430092 |
0.329 |
|
| 1984 |
HOPPE D, SHELDRICK GM, EGERT E, KAARS P. ChemInform Abstract: STUDIES ON β-LACTAM SYNTHESIS. PART 7. SYNTHESIS AND STRUCTURE OF (Z)-3-AMINO-4-OXO-2-AZETIDINESULFONIC ACID Chemischer Informationsdienst. 15. DOI: 10.1002/Chin.198407188 |
0.384 |
|
| 1984 |
Hoppe D. The Homoaldol Reaction, or How to Overcome Problems of Regio- and Stereo-selectivity Angewandte Chemie International Edition in English. 23: 932-948. DOI: 10.1002/Anie.198409321 |
0.432 |
|
| 1984 |
Hoppe D, Lichtenberg F. syn-Diastereoselective Homoaldol Reactions:γ-Hydroxyalkylation of(Z)-2-Butenyl Carbamates and Synthesis ofβ,γ-cis-Di- and -Trisubstitutedγ-Lactones Angewandte Chemie International Edition in English. 23: 239-241. DOI: 10.1002/Anie.198402391 |
0.413 |
|
| 1984 |
Hoppe D. Die Homoaldol-Reaktion oder wie man Probleme der Regio- und Stereoselektivität in den Griff bekommt Angewandte Chemie. 96: 930-946. DOI: 10.1002/Ange.19840961205 |
0.308 |
|
| 1984 |
Hoppe D, Lichtenberg F. syn-Diastereoselektive Homoaldol-Reaktionen: γ-Hydroxyalkylierung von (Z)-2-Butenylcarbamaten und Synthese von β,γ-cis-di- und -trisubstituierten γ-Lactonen Angewandte Chemie. 96: 241-243. DOI: 10.1002/Ange.19840960326 |
0.346 |
|
| 1983 |
Hoppe D, Brönneke A. Highly diastereoslective synthesis of di- and trisubstituted 4-butanolides from aldehydes and ketones via three-carbon-extension by allylic homoenolate reagents Tetrahedron Letters. 24: 1687-1690. DOI: 10.1016/S0040-4039(00)81745-1 |
0.382 |
|
| 1983 |
HOPPE D, RIEMENSCHNEIDER C. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACIDS IN ORGANIC SYNTHESES. PART 24. REGIO- AND DIASTEREOSELECTIVE SYNTHESIS OF (4-HYDROXY-3-METHYL-1,2-ALKYLDIENYL)CARBAMATES FROM α-TITANIATED 2-BUTYNYLCARBAMATES AND ALDEHYDES Chemischer Informationsdienst. 14. DOI: 10.1002/chin.198316138 |
0.31 |
|
| 1983 |
HOPPE D, RIEMENSCHNEIDER C. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACIDS IN ORGANIC SYNTHESES. PART 24. REGIO- AND DIASTEREOSELECTIVE SYNTHESIS OF (4-HYDROXY-3-METHYL-1,2-ALKYLDIENYL)CARBAMATES FROM α-TITANIATED 2-BUTYNYLCARBAMATES AND ALDEHYDES Chemischer Informationsdienst. 14. DOI: 10.1002/chin.198316138 |
0.31 |
|
| 1983 |
Hoppe D, Riemenschneider C. Regio- and Diastereoselective Synthesis of (4-Hydroxy-3-methyl-1,2-alkadienyl)carbamates from ?-Titanated 2-Butynylcarbamates and Aldehydes Angewandte Chemie International Edition in English. 22: 54-55. DOI: 10.1002/Anie.198300541 |
0.379 |
|
| 1983 |
Hoppe D, Riemenschneider C. Regio- und diastereoselektive Synthese von (4-Hydroxy-3-methyl-1,2-alkadienyl)carbamaten aus α-titanierten 2-Butinylcarbamaten und Aldehyden Angewandte Chemie. 95: 64-65. DOI: 10.1002/Ange.19830950130 |
0.39 |
|
| 1982 |
Hoppe D, Brönneke A. Synthesis of 1-ArylalkylN,N-Dialkylcarbamates by Lithiation and Substitution of Benzylic-Type Carbamates Synthesis. 1982: 1045-1048. DOI: 10.1055/S-1982-30058 |
0.421 |
|
| 1982 |
Hoppe D, Brönneke A. Synthesis of 1-ArylalkylN,N-Dialkylcarbamates by Lithiation and Substitution of Benzylic-Type Carbamates Synthesis. 1982: 1045-1048. DOI: 10.1055/s-1982-30058 |
0.307 |
|
| 1982 |
HOPPE D. ChemInform Abstract: SYNTHESIS OF PURE ENANTIOMERS OF α-AMINO ACIDS. I Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198249344 |
0.3 |
|
| 1982 |
HOPPE D. ChemInform Abstract: SYNTHESIS OF PURE ENANTIOMERS OF α-AMINO ACIDS. I Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198249344 |
0.3 |
|
| 1982 |
HOPPE D. ChemInform Abstract: SYNTHESIS OF PURE ENANTIOMERS OF α-AMINO ACIDS. I Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198249344 |
0.3 |
|
| 1982 |
HOPPE D. ChemInform Abstract: SYNTHESIS OF PURE ENANTIOMERS OF α-AMINO ACIDS. I Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198249344 |
0.3 |
|
| 1982 |
HOPPE D. ChemInform Abstract: ALKYLATION OF VINYLOGOUS ESTER, CARBOXYLATE, AND AMIDE ENOLATES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198226346 |
0.337 |
|
| 1982 |
HOPPE D. ChemInform Abstract: ALKYLATION OF VINYLOGOUS ESTER, CARBOXYLATE, AND AMIDE ENOLATES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198226346 |
0.337 |
|
| 1982 |
HOPPE D. ChemInform Abstract: ALKYLATION OF VINYLOGOUS ESTER, CARBOXYLATE, AND AMIDE ENOLATES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198226346 |
0.337 |
|
| 1982 |
HOPPE D. ChemInform Abstract: ALKYLATION OF VINYLOGOUS ESTER, CARBOXYLATE, AND AMIDE ENOLATES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198226346 |
0.337 |
|
| 1982 |
Hoppe D, Hanko R, Broenneke A+, Lichtenberg F. Metalated Nitrogen Derivatives Of Carbonic Acid In Organic Synthesis. Part 20. Ultiply Alkylated 1‐Oxyallyl Anions From Allyl N,N‐Dialkylcarbamides Gamma.‐Hydroxyalkylation (Homoaldol Reaction) Cheminform. 13. DOI: 10.1002/Chin.198216135 |
0.408 |
|
| 1982 |
Hanko R, Hoppe D. Highly Diastereo- and Regioselective Homoaldol Reactions with (1-Oxyallyl)titanium Derivatives Angewandte Chemie International Edition in English. 21: 372-373. DOI: 10.1002/Anie.198203722 |
0.372 |
|
| 1982 |
Hoppe D, Lichtenberg F. Diastereoselective Homoaldol Reaction with a (1-Oxycrotyl)aluminum Compound, a Homoenolate Equivalent ofn-Butanal Angewandte Chemie International Edition in English. 21: 372-372. DOI: 10.1002/Anie.198203721 |
0.337 |
|
| 1981 |
HOPPE D, FOLLMANN R, BECKMANN L. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS. XVI. SYNTHESIS OF 2-ALKYLIMINO- AND 2-ARYLIMINO-1,3-OXATHIOLANES FROM LITHIATED S,S′-DIALKYL IMIDODITHIOCARBONATES AND CARBONYL COMPOUNDS Chemischer Informationsdienst. 12. DOI: 10.1002/Chin.198110255 |
0.39 |
|
| 1981 |
HOPPE D, KLOFT M. ChemInform Abstract: STUDIES ON β-LACTAM SYNTHESIS. V. VERSATILE SYNTHESIS OF N-PROTECTED ALKYL 2-(TRANS-4-ALKYLTHIO-3-AMINO-2-OXO-1-AZETIDINYL)ACRYLATES (TRANS-7-AMINO-1,2-SECOCEPH-3-EM-4-CARBOXYLATES) WITH MODIFIED SIDE CHAINS Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198107228 |
0.329 |
|
| 1981 |
HOPPE D, KLOFT M. ChemInform Abstract: STUDIES ON β-LACTAM SYNTHESIS. V. VERSATILE SYNTHESIS OF N-PROTECTED ALKYL 2-(TRANS-4-ALKYLTHIO-3-AMINO-2-OXO-1-AZETIDINYL)ACRYLATES (TRANS-7-AMINO-1,2-SECOCEPH-3-EM-4-CARBOXYLATES) WITH MODIFIED SIDE CHAINS Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198107228 |
0.329 |
|
| 1981 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F. Highly Alkylated 1-Oxyallyl Anions fromN,N-Dialkylcarbamic Acid Allyl Esters:γ-Hydroxyalkylation(Homoaldol Reaction) Angewandte Chemie International Edition in English. 20: 1024-1026. DOI: 10.1002/Anie.198110241 |
0.447 |
|
| 1981 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F. Highly Alkylated 1-Oxyallyl Anions fromN,N-Dialkylcarbamic Acid Allyl Esters:γ-Hydroxyalkylation(Homoaldol Reaction) Angewandte Chemie International Edition in English. 20: 1024-1026. DOI: 10.1002/anie.198110241 |
0.338 |
|
| 1981 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F. Highly Alkylated 1-Oxyallyl Anions fromN,N-Dialkylcarbamic Acid Allyl Esters:γ-Hydroxyalkylation(Homoaldol Reaction) Angewandte Chemie International Edition in English. 20: 1024-1026. DOI: 10.1002/anie.198110241 |
0.338 |
|
| 1981 |
Hoppe D, Hanko R, Brönneke A, Lichtenberg F. Highly Alkylated 1-Oxyallyl Anions fromN,N-Dialkylcarbamic Acid Allyl Esters:γ-Hydroxyalkylation(Homoaldol Reaction) Angewandte Chemie International Edition in English. 20: 1024-1026. DOI: 10.1002/anie.198110241 |
0.338 |
|
| 1980 |
Hoppe D, Follmann R. Metallierte Stickstoffderivate der Kohlensäure in der organischen Synthese, XVII. Die Umwandlung von 2-Methylimino-1,3-oxathiolanen in Thiirane Liebigs Annalen Der Chemie. 1980: 1779-1785. DOI: 10.1002/Jlac.198019801117 |
0.421 |
|
| 1980 |
Hoppe D, Follmann R, Beckmann L. Metallierte Stickstoffderivate der Kohlensäure in der organischen Synthese, XVI. Die Synthese von 2-Alkylimino- und 2-Arylimino-1,3-oxathiolanen aus lithiierten Imidodithiokohlensäure-S,S′-dialkylestern und Carbonylverbindungen Liebigs Annalen Der Chemie. 1980: 1765-1778. DOI: 10.1002/Jlac.198019801116 |
0.493 |
|
| 1980 |
Hoppe D, Beckmann L. Metallierte Stickstoffderivate der Kohlensäure, in der organischen Synthese, XV. 2-Azaallylanionen ausN-(Benzyl)imidodithiokohlensäure-,N-(Benzyl)imidomonothiokohlensäure- undN-(Benzyl)imidokohlensäure-dialkylestern als Benzylaminanion-Äquivalente Liebigs Annalen Der Chemie. 1980: 1751-1764. DOI: 10.1002/Jlac.198019801115 |
0.379 |
|
| 1980 |
Hoppe D, Kloft M. Studien zur β-Lactam-Synthese, V. Allgemeine Synthese vonN-geschützten 2-(trans-4-Alkylthio-3-amino-2-oxo-1-azetidinyl)acrylsäure-alkylestern (trans-7-Amino-1,2-secoceph-3-em-4-carbonsäureestern) mit modifizierter Seitenkette Liebigs Annalen Der Chemie. 1980: 1512-1526. DOI: 10.1002/Jlac.198019801008 |
0.438 |
|
| 1980 |
HOPPE D, BECKMANN L, FOLLMANN R. ChemInform Abstract: METALIZED NITROGEN DERIVATIVES OF CARBOXYLIC ACIDS IN ORGANIC SYNTHESIS. 15. α-CARBAMOYLOXYMETHYL-SUBSTITUTED LITHIUM ENETHIOLATE FROM 1-(N,N-DIMETHYLCARBAMOYLTHIO)-2-METHYL-1-PROPENYLLITHIUM Chemischer Informationsdienst. 11. DOI: 10.1002/Chin.198028260 |
0.454 |
|
| 1980 |
HOPPE D, BECKMANN L, FOLLMANN R. ChemInform Abstract: METALIZED NITROGEN DERIVATIVES OF CARBOXYLIC ACIDS IN ORGANIC SYNTHESIS. 15. α-CARBAMOYLOXYMETHYL-SUBSTITUTED LITHIUM ENETHIOLATE FROM 1-(N,N-DIMETHYLCARBAMOYLTHIO)-2-METHYL-1-PROPENYLLITHIUM Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198028260 |
0.347 |
|
| 1980 |
HOPPE D, BECKMANN L, FOLLMANN R. ChemInform Abstract: METALIZED NITROGEN DERIVATIVES OF CARBOXYLIC ACIDS IN ORGANIC SYNTHESIS. 15. α-CARBAMOYLOXYMETHYL-SUBSTITUTED LITHIUM ENETHIOLATE FROM 1-(N,N-DIMETHYLCARBAMOYLTHIO)-2-METHYL-1-PROPENYLLITHIUM Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198028260 |
0.347 |
|
| 1980 |
HOPPE D, BECKMANN L, FOLLMANN R. ChemInform Abstract: METALIZED NITROGEN DERIVATIVES OF CARBOXYLIC ACIDS IN ORGANIC SYNTHESIS. 15. α-CARBAMOYLOXYMETHYL-SUBSTITUTED LITHIUM ENETHIOLATE FROM 1-(N,N-DIMETHYLCARBAMOYLTHIO)-2-METHYL-1-PROPENYLLITHIUM Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198028260 |
0.347 |
|
| 1980 |
HOPPE D, BECKMANN L, FOLLMANN R. ChemInform Abstract: METALIZED NITROGEN DERIVATIVES OF CARBOXYLIC ACIDS IN ORGANIC SYNTHESIS. 15. α-CARBAMOYLOXYMETHYL-SUBSTITUTED LITHIUM ENETHIOLATE FROM 1-(N,N-DIMETHYLCARBAMOYLTHIO)-2-METHYL-1-PROPENYLLITHIUM Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198028260 |
0.347 |
|
| 1980 |
HOPPE D, RAUDE E. ChemInform Abstract: STUDIES IN β-LACTAM SYNTHESIS. IV. SYNTHESIS OF 3-(BIS(ALKYLTHIO)METHYLENEAMINO)-2-AZETIDINONES BY ACID CHLORIDE-IMINE REACTION Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198014225 |
0.341 |
|
| 1980 |
HOPPE D, RAUDE E. ChemInform Abstract: STUDIES IN β-LACTAM SYNTHESIS. IV. SYNTHESIS OF 3-(BIS(ALKYLTHIO)METHYLENEAMINO)-2-AZETIDINONES BY ACID CHLORIDE-IMINE REACTION Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198014225 |
0.341 |
|
| 1980 |
HOPPE D, RAUDE E. ChemInform Abstract: STUDIES IN β-LACTAM SYNTHESIS. IV. SYNTHESIS OF 3-(BIS(ALKYLTHIO)METHYLENEAMINO)-2-AZETIDINONES BY ACID CHLORIDE-IMINE REACTION Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198014225 |
0.341 |
|
| 1980 |
HOPPE D, RAUDE E. ChemInform Abstract: STUDIES IN β-LACTAM SYNTHESIS. IV. SYNTHESIS OF 3-(BIS(ALKYLTHIO)METHYLENEAMINO)-2-AZETIDINONES BY ACID CHLORIDE-IMINE REACTION Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198014225 |
0.341 |
|
| 1980 |
KLOFT M, HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. Γ-BROMINATION OF 2-ISOTHIOCYANATO-2-BUTENOATES AND SUBSEQUENT NUCLEOPHILIC SUBSTITUTIONS Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198011106 |
0.34 |
|
| 1980 |
KLOFT M, HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. Γ-BROMINATION OF 2-ISOTHIOCYANATO-2-BUTENOATES AND SUBSEQUENT NUCLEOPHILIC SUBSTITUTIONS Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198011106 |
0.34 |
|
| 1980 |
KLOFT M, HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. Γ-BROMINATION OF 2-ISOTHIOCYANATO-2-BUTENOATES AND SUBSEQUENT NUCLEOPHILIC SUBSTITUTIONS Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198011106 |
0.34 |
|
| 1980 |
KLOFT M, HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. Γ-BROMINATION OF 2-ISOTHIOCYANATO-2-BUTENOATES AND SUBSEQUENT NUCLEOPHILIC SUBSTITUTIONS Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198011106 |
0.34 |
|
| 1980 |
Hoppe D, Hanko R, Brönneke A. Lithiated AllylN,N-Dialkylcarbamates as Homoenolate Equivalents; Synthesis of Protected 4-Oxoalkanoates Angewandte Chemie International Edition in English. 19: 625-627. DOI: 10.1002/Anie.198006251 |
0.396 |
|
| 1980 |
Hoppe D, Hanko R, Brönneke A. LithiierteN,N-Dialkylcarbamidsäure-allylester als Homoenolat-Äquivalente; Synthese geschützter 4-Oxoalkansäureester Angewandte Chemie. 92: 637-639. DOI: 10.1002/Ange.19800920813 |
0.306 |
|
| 1979 |
Hoppe D, Raude E. Studien zur β-Lactam-Synthese, IV. Synthese von 3-[Bis(alkylthio)methylenamino]-2-azetidinonen durch Säurechlorid-Imin-Reaktion Liebigs Annalen Der Chemie. 1979: 2076-2088. DOI: 10.1002/Jlac.197919791218 |
0.394 |
|
| 1979 |
Hoppe D, Beckmann L. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, XIII. Selektive Mono- und Dialkylierung vonN-[Bis(alkylthio)-methylen]glycin-ethylestern zum Aufbau von kettenverlängerten und α-verzweigten α-Aminosäureestern Liebigs Annalen Der Chemie. 1979: 2066-2075. DOI: 10.1002/Jlac.197919791217 |
0.466 |
|
| 1979 |
Hoppe D, Beckmann L. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, XIII. Selektive Mono- und Dialkylierung vonN-[Bis(alkylthio)-methylen]glycin-ethylestern zum Aufbau von kettenverlängerten und α-verzweigten α-Aminosäureestern Liebigs Annalen Der Chemie. 1979: 2066-2075. DOI: 10.1002/jlac.197919791217 |
0.301 |
|
| 1979 |
Kloft M, Hoppe D. α-Isothiocyanatoacrylsäureester, VI. Notiz zur γ-Bromierung von 2-Isothiocyanato-2-butensäureestern und zur nachfolgenden nucleophilen Substitution Chemische Berichte. 112: 3939-3941. DOI: 10.1002/Cber.19791121218 |
0.465 |
|
| 1977 |
HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. IV. REACTION OF ETHYL 2-ISOTHIOCYANATO-3,3-DIMETHYLACRYLATE WITH ANIONS OF 5-OXAZOLONES Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197712213 |
0.344 |
|
| 1977 |
HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. IV. REACTION OF ETHYL 2-ISOTHIOCYANATO-3,3-DIMETHYLACRYLATE WITH ANIONS OF 5-OXAZOLONES Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197712213 |
0.344 |
|
| 1977 |
HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. IV. REACTION OF ETHYL 2-ISOTHIOCYANATO-3,3-DIMETHYLACRYLATE WITH ANIONS OF 5-OXAZOLONES Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197712213 |
0.344 |
|
| 1977 |
HOPPE D. ChemInform Abstract: α-ISOTHIOCYANATOACRYLIC ESTERS. IV. REACTION OF ETHYL 2-ISOTHIOCYANATO-3,3-DIMETHYLACRYLATE WITH ANIONS OF 5-OXAZOLONES Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197712213 |
0.344 |
|
| 1977 |
HOPPE D, KLOFT M. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, XI. α-ISOTHIOCYANATOACRYLATES, II. SYNTHESIS OF α-ISOTHIOCYANATOACRYLATES FROM ISOTHIOCYANATOACETATES AND CARBONYL COMPOUNDS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197703158 |
0.325 |
|
| 1977 |
HOPPE D, KLOFT M. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, XI. α-ISOTHIOCYANATOACRYLATES, II. SYNTHESIS OF α-ISOTHIOCYANATOACRYLATES FROM ISOTHIOCYANATOACETATES AND CARBONYL COMPOUNDS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197703158 |
0.325 |
|
| 1977 |
HOPPE D, KLOFT M. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, XI. α-ISOTHIOCYANATOACRYLATES, II. SYNTHESIS OF α-ISOTHIOCYANATOACRYLATES FROM ISOTHIOCYANATOACETATES AND CARBONYL COMPOUNDS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197703158 |
0.325 |
|
| 1977 |
HOPPE D, KLOFT M. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, XI. α-ISOTHIOCYANATOACRYLATES, II. SYNTHESIS OF α-ISOTHIOCYANATOACRYLATES FROM ISOTHIOCYANATOACETATES AND CARBONYL COMPOUNDS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197703158 |
0.325 |
|
| 1977 |
HOPPE D, KLOFT M. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, XI. α-ISOTHIOCYANATOACRYLATES, II. SYNTHESIS OF α-ISOTHIOCYANATOACRYLATES FROM ISOTHIOCYANATOACETATES AND CARBONYL COMPOUNDS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197703158 |
0.325 |
|
| 1977 |
Hoppe D, Follmann R. Homologization of Aldehydes and Ketones to Thiiranes or S‐Vinyl Thiocarbamates via 2‐Alkylimino‐1,3‐oxa‐thiolanes Angewandte Chemie. 16: 462-463. DOI: 10.1002/Anie.197704621 |
0.419 |
|
| 1977 |
Hoppe D, Follmann R. Homologisierung von Aldehyden und Ketonen zu Thiiranen oderS-Vinyl-thiocarbamaten über 2-Alkyl-imino-1,3-oxathiolane Angewandte Chemie. 89: 478-479. DOI: 10.1002/Ange.19770890711 |
0.422 |
|
| 1977 |
Hoppe D, Follmann R. Homologisierung von Aldehyden und Ketonen zu Thiiranen oderS-Vinyl-thiocarbamaten über 2-Alkyl-imino-1,3-oxathiolane Angewandte Chemie. 89: 478-479. DOI: 10.1002/ange.19770890711 |
0.309 |
|
| 1977 |
Hoppe D, Follmann R. Homologisierung von Aldehyden und Ketonen zu Thiiranen oderS-Vinyl-thiocarbamaten über 2-Alkyl-imino-1,3-oxathiolane Angewandte Chemie. 89: 478-479. DOI: 10.1002/ange.19770890711 |
0.309 |
|
| 1977 |
Hoppe D, Follmann R. Homologisierung von Aldehyden und Ketonen zu Thiiranen oderS-Vinyl-thiocarbamaten über 2-Alkyl-imino-1,3-oxathiolane Angewandte Chemie. 89: 478-479. DOI: 10.1002/ange.19770890711 |
0.309 |
|
| 1976 |
Hoppe I, Hoppe D, Schöllkopf U. α-metallierte α-isothiocyanato-alkansäure-ester - ein neuer typ von 2-azaallyl-anionen Tetrahedron Letters. 17: 609-612. DOI: 10.1016/S0040-4039(00)77924-X |
0.525 |
|
| 1976 |
Hoppe I, Hoppe D, Schöllkopf U. α-metallierte α-isothiocyanato-alkansäure-ester - ein neuer typ von 2-azaallyl-anionen Tetrahedron Letters. 17: 609-612. DOI: 10.1016/S0040-4039(00)77924-X |
0.525 |
|
| 1976 |
Hoppe I, Hoppe D, Schöllkopf U. α-metallierte α-isothiocyanato-alkansäure-ester - ein neuer typ von 2-azaallyl-anionen Tetrahedron Letters. 17: 609-612. DOI: 10.1016/S0040-4039(00)77924-X |
0.525 |
|
| 1976 |
Hoppe I, Hoppe D, Schöllkopf U. α-metallierte α-isothiocyanato-alkansäure-ester - ein neuer typ von 2-azaallyl-anionen Tetrahedron Letters. 17: 609-612. DOI: 10.1016/S0040-4039(00)77924-X |
0.525 |
|
| 1976 |
Hoppe I, Hoppe D, Schöllkopf U. α-metallierte α-isothiocyanato-alkansäure-ester - ein neuer typ von 2-azaallyl-anionen Tetrahedron Letters. 17: 609-612. DOI: 10.1016/S0040-4039(00)77924-X |
0.525 |
|
| 1976 |
Hoppe D. α-Isothiocyanatoacrylsäureester, IV. Reaktionen von 2-Isothiocyanato-3,3-dimethylacrylsäure-äthylester mit 5-Oxazolon-Anionen Justus Liebigs Annalen Der Chemie. 1976: 2185-2193. DOI: 10.1002/Jlac.197619761206 |
0.374 |
|
| 1976 |
Kloft M, Hoppe D. α-Isothiocyanatoacrylsäureester, III. Ringschlüsse bei der Addition von Nucleophilen an α-Isothiocyanatoacrylsäureester Justus Liebigs Annalen Der Chemie. 1976: 1997-2006. DOI: 10.1002/Jlac.197619761108 |
0.455 |
|
| 1976 |
Hoppe D, Kloft M. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese,XI. α-Isothiocyanatoacrylsäureester, II. Zur Synthese von α-Isothiocyanatoacrylsäureestern aus Isothiocyanatoessigsäureestern und Carbonylverbindungen Justus Liebigs Annalen Der Chemie. 1976: 1850-1861. DOI: 10.1002/Jlac.197619761016 |
0.366 |
|
| 1976 |
Hoppe D. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, X. 2-Alkylthio-2-oxazolin-4-carbonsäureester und ihre baseninduzierte Ringöffnung zu 2-〈N-[(Alkylthio)carbonyl]amino>acrylsäureestern Justus Liebigs Annalen Der Chemie. 1976: 1843-1849. DOI: 10.1002/Jlac.197619761015 |
0.452 |
|
| 1976 |
HOPPE D, FOLLMANN R. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, IX. α-(ALKOXYCARBONYLAMINO)ACRYLATES (N-ACYLDEHYDROAMINO ACID ESTERS) BY BASE INDUCED RING CLEAVAGE OF 3-ALKOXYCARBONYL-2-THIOXO-4-OXAZOLIDINECARBOXYLATES Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197648217 |
0.305 |
|
| 1976 |
HOPPE D, FOLLMANN R. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, IX. α-(ALKOXYCARBONYLAMINO)ACRYLATES (N-ACYLDEHYDROAMINO ACID ESTERS) BY BASE INDUCED RING CLEAVAGE OF 3-ALKOXYCARBONYL-2-THIOXO-4-OXAZOLIDINECARBOXYLATES Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197648217 |
0.305 |
|
| 1976 |
HOPPE D, FOLLMANN R. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, IX. α-(ALKOXYCARBONYLAMINO)ACRYLATES (N-ACYLDEHYDROAMINO ACID ESTERS) BY BASE INDUCED RING CLEAVAGE OF 3-ALKOXYCARBONYL-2-THIOXO-4-OXAZOLIDINECARBOXYLATES Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197648217 |
0.305 |
|
| 1976 |
HOPPE D, FOLLMANN R. ChemInform Abstract: METALATED NITROGEN DERIVATIVES OF CARBONIC ACID IN ORGANIC SYNTHESIS, IX. α-(ALKOXYCARBONYLAMINO)ACRYLATES (N-ACYLDEHYDROAMINO ACID ESTERS) BY BASE INDUCED RING CLEAVAGE OF 3-ALKOXYCARBONYL-2-THIOXO-4-OXAZOLIDINECARBOXYLATES Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197648217 |
0.305 |
|
| 1976 |
HOPPE I, HOPPE D, SCHOELLKOPF U. ChemInform Abstract: α-METALLATED α-ISOTHIOCYANATO ALKANOIC ACID ESTERS, A NEW TYPE OF 2-AZAALLYL ANION Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/Chin.197620126 |
0.381 |
|
| 1976 |
Hoppe D, Follmann R. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, VIII. 2-Thioxo-oxazolidine durch Cycloaddition von α-metallierten Alkylisothiocyanaten an Carbonylverbindungen Chemische Berichte. 109: 3047-3061. DOI: 10.1002/Cber.19761090910 |
0.506 |
|
| 1976 |
Hoppe D, Follmann R. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, VIII. 2-Thioxo-oxazolidine durch Cycloaddition von α-metallierten Alkylisothiocyanaten an Carbonylverbindungen Chemische Berichte. 109: 3047-3061. DOI: 10.1002/cber.19761090910 |
0.326 |
|
| 1976 |
Hoppe D, Follmann R. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, VIII. 2-Thioxo-oxazolidine durch Cycloaddition von α-metallierten Alkylisothiocyanaten an Carbonylverbindungen Chemische Berichte. 109: 3047-3061. DOI: 10.1002/cber.19761090910 |
0.326 |
|
| 1976 |
Hoppe D, Follmann R. Metallierte Stickstoff-Derivate der Kohlensäure in der organischen Synthese, VIII. 2-Thioxo-oxazolidine durch Cycloaddition von α-metallierten Alkylisothiocyanaten an Carbonylverbindungen Chemische Berichte. 109: 3047-3061. DOI: 10.1002/cber.19761090910 |
0.326 |
|
| 1975 |
Schöllkopf U, Hoppe D, Jentsch R. Synthesen mit α-metallierten Isocyaniden, XXIX. Höhere Aminosäuren durch Alkylieren von α-metallierten α-Isocyan-propionsäure- und -essigsäureestern Chemische Berichte. 108: 1580-1592. DOI: 10.1002/cber.19751080527 |
0.513 |
|
| 1975 |
Hoppe D. Kettenverlängerte und α-verzweigte α-Aminosäuren durch Alkylierung metallierterN-[Bis(alkylthio)methylen]-α-aminosäureester Angewandte Chemie. 87: 450-451. DOI: 10.1002/Ange.19750871208 |
0.366 |
|
| 1975 |
Hoppe D. MetallierteN-Alkylimino-dithiokohlensäure-dialkylester: Neue maskierte α-Amino- und α-Thio-Carbanionen Angewandte Chemie. 87: 449-450. DOI: 10.1002/Ange.19750871207 |
0.364 |
|
| 1974 |
SCHOELLKOPF U, HOPPE D. ChemInform Abstract: 5-SUBSTITUIERTE 2-THIAZOLIN-4-CARBONSAEUREAETHYLESTER Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/Chin.197409273 |
0.305 |
|
| 1974 |
Hoppe D. ?-Metalated Isocyanides in Organic Synthesis. New synthetic methods (6) Angewandte Chemie International Edition in English. 13: 789-804. DOI: 10.1002/Anie.197407891 |
0.423 |
|
| 1974 |
Hoppe D. α-Metallierte Isocyanide in der Organischen Synthese Angewandte Chemie. 86: 878-893. DOI: 10.1002/Ange.19740862403 |
0.385 |
|
| 1973 |
Schöllkopf U, Hoppe D. Synthesen mit α-metallierten Isocyaniden, XIX1)S-Benzyl-N-formylcysteine Justus Liebigs Annalen Der Chemie. 1973: 799-804. DOI: 10.1002/Jlac.197319730509 |
0.638 |
|
| 1973 |
Schöllkopf U, Harms R, Hoppe D. Synthesen mit α-metallierten Isocyaniden, XVIII1) 1-Amino-cyclopropancarbonsäuren über 1-Isocyan-cyclopropancarbonsäure-äthylester Justus Liebigs Annalen Der Chemie. 1973: 611-618. DOI: 10.1002/Jlac.197319730410 |
0.587 |
|
| 1973 |
Schöllkopf U, Harms R, Hoppe D. Synthesen mit α-metallierten Isocyaniden, XVIII1) 1-Amino-cyclopropancarbonsäuren über 1-Isocyan-cyclopropancarbonsäure-äthylester Justus Liebigs Annalen Der Chemie. 1973: 611-618. DOI: 10.1002/Jlac.197319730410 |
0.587 |
|
| 1973 |
Schöllkopf U, Harms R, Hoppe D. Synthesen mit α-metallierten Isocyaniden, XVIII1) 1-Amino-cyclopropancarbonsäuren über 1-Isocyan-cyclopropancarbonsäure-äthylester Justus Liebigs Annalen Der Chemie. 1973: 611-618. DOI: 10.1002/Jlac.197319730410 |
0.587 |
|
| 1973 |
Schöllkopf U, Gerhart F, Schröder R, Hoppe D. Synthesen mit α-metallierten Isocyaniden, XVI1) β-Substituierte α-Formylamino-acrylsäureäthylester aus α-metallierten Isocyanessigestern und Carbonylverbindungen (Formylaminomethylenierung von Carbonylverbindungen) Justus Liebigs Annalen Der Chemie. 766: 116-129. DOI: 10.1002/Jlac.19727660113 |
0.632 |
|
| 1973 |
SCHOELLKOPF U, HOPPE D. ChemInform Abstract: SYNTH. MIT ALPHA-METALLIERTEN ISOCYANIDEN 19. MITT. S-BENZYL-N-FORMYLCYSTEINE Chemischer Informationsdienst. 4: no-no. DOI: 10.1002/Chin.197335420 |
0.315 |
|
| 1973 |
Schöllkopf U, Hoppe D. 5-Substituted Ethyl 2-Thiazoline-4-carboxylates Angewandte Chemie International Edition in English. 12: 1006-1007. DOI: 10.1002/Anie.197310061 |
0.623 |
|
| 1973 |
Hoppe D. 3-Substituted 2-Isothiocyanatoacrylic Esters Angewandte Chemie International Edition in English. 12: 923-924. DOI: 10.1002/Anie.197309231 |
0.438 |
|
| 1973 |
Hoppe D. 3-Substituted 2-Isothiocyanatoacrylic Esters Angewandte Chemie International Edition in English. 12: 923-924. DOI: 10.1002/anie.197309231 |
0.328 |
|
| 1973 |
Hoppe D. 3-Substituted 2-Isothiocyanatoacrylic Esters Angewandte Chemie International Edition in English. 12: 923-924. DOI: 10.1002/anie.197309231 |
0.328 |
|
| 1973 |
Hoppe D. 3-Substituted 2-Isothiocyanatoacrylic Esters Angewandte Chemie International Edition in English. 12: 923-924. DOI: 10.1002/anie.197309231 |
0.328 |
|
| 1973 |
Hoppe D. 2-Alkylthio-2-oxazoline-4-carboxylic Esters and Their Conversion into ?-(N-Alkylthiocarbonylamino)acrylic Esters Angewandte Chemie International Edition in English. 12: 658-659. DOI: 10.1002/Anie.197306581 |
0.397 |
|
| 1973 |
Hoppe D. Ethyl 3-Acyl-2-thioxo-1,3-oxazolidine-4-carboxylates and Their Conversion into Ethyl ?-(N-Acylamino)acrylates Angewandte Chemie International Edition in English. 12: 656-658. DOI: 10.1002/Anie.197306561 |
0.382 |
|
| 1973 |
Hoppe D. β-Substituierte α-Isothiocyan-acrylsäureester Angewandte Chemie. 85: 909-910. DOI: 10.1002/Ange.19730852005 |
0.324 |
|
| 1973 |
Hoppe D. 2-Alkylthio-2-oxazolin-4-carbonsäureester und ihre Umwandlung in α-(N-Alkylthiocarbonyl-amino)acrylsäureester Angewandte Chemie. 85: 660-661. DOI: 10.1002/Ange.19730851506 |
0.407 |
|
| 1973 |
Hoppe D. 3-Acyl-2-thioxo-1,3-oxazolidin-4-carbonsäureester und ihre Umwandlung in α-(N-Acylamino)-acrylsäureester Angewandte Chemie. 85: 659-660. DOI: 10.1002/Ange.19730851505 |
0.409 |
|
| 1972 |
Hoppe D, Schöllkopf U. [Syntheses with -metallated isocyanides. XV. 4-Ethoxycarbonyl-2-oxazolines and their hydrolysis to ethylesters of N-formyl- -hydroxy- -amino acids]. Justus Liebigs Annalen Der Chemie. 763: 1-16. PMID 4643480 DOI: 10.1002/Jlac.19727630102 |
0.623 |
|
| 1972 |
Hoppe D. 1,3-Oxazolidine-2-thiones from Alkyl Isothiocyanates and Carbonyl Compounds Angewandte Chemie International Edition in English. 11: 933-934. DOI: 10.1002/Anie.197209331 |
0.36 |
|
| 1972 |
Hoppe D, Schöllkopf U. Ethyl α-Formylamino-β-hydroxy-acid Esters (β-SubstitutedN-Formylserine Esters) from Ethyl 2-Oxazoline-4-carboxylates Angewandte Chemie International Edition in English. 11: 432-433. DOI: 10.1002/Anie.197204321 |
0.566 |
|
| 1972 |
Hoppe D, Schöllkopf U. N-Formyl-β-hydroxy-α-aminosäure-äthylester (β-substituierteN-Formylserinester) aus 4-Äthoxycarbonyl-2-oxazolinen Angewandte Chemie. 84: 435-436. DOI: 10.1002/Ange.19720840913 |
0.555 |
|
| 1971 |
Schöllkopf U, Hoppe D, Jentsch R. Higher Amino Acids by Alkylation of α-Metalated Isocyano-acetic or -propionic Esters Angewandte Chemie International Edition in English. 10: 331-333. DOI: 10.1002/Anie.197103312 |
0.568 |
|
| 1971 |
Schöllkopf U, Hoppe D, Jentsch R. Höhere Aminosäuren durch Alkylieren von α-metallierten Isocyan-essig- oder -propionsäureestern Angewandte Chemie. 83: 357-358. DOI: 10.1002/Ange.19710831006 |
0.566 |
|
| 1970 |
Schöllkopf U, Hoppe D. Beta-substituted N-formyl-S-benzylcysteines. Angewandte Chemie (International Ed. in English). 9: 236-7. PMID 4985527 DOI: 10.1002/anie.197002362 |
0.467 |
|
| 1969 |
Schöllkopf U, Hoppe D, Rieber N, Jacobi V. Metallsubstituierte Carbene und C-metallierte Diazoalkane, III1)Trimethylsilyl-diazoessigsäureäthylester und seine Photolyse zum Trimethylsilyl-äthoxycarbonylcarben Justus Liebigs Annalen Der Chemie. 730: 1-15. DOI: 10.1002/Jlac.19697300102 |
0.577 |
|
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