Frederick Edward Ziegler - Publications

Affiliations: 
Chemistry Yale University, New Haven, CT 
Area:
Synthesis of Natural Products
Website:
http://www.chem.yale.edu/faculty/ziegler.html

92 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2003 Ziegler FE, Sarpong MA. Radical cyclization studies directed toward the synthesis of BMS-200475 'entecavir': The carbocyclic core Tetrahedron. 59: 9013-9018. DOI: 10.1016/J.Tet.2003.02.001  0.713
2003 Ziegler FE, Fowler KW, Rodgers WB, Wester RT. Ambient-Temperature Ullman Reaction: 4,5,4′,5′-Tetramethoxy-1,1′-Biphenyl-2,2′-Dicarboxaldehyde Organic Syntheses. 108-108. DOI: 10.1002/0471264180.Os065.15  0.345
2003 Wender PA, Eissenstat MA, Sapuppo N, Ziegler FE. Nitriles from Ketones: Cyclohexanecarbonitrile Organic Syntheses. 101-101. DOI: 10.1002/0471264180.Os058.18  0.64
2000 Ziegler FE, Berlin MY, Lee K, Looker AR. Formation of 9,10-unsaturation in the mitomycins: facile fragmentation of beta-alkyl-beta-aryl-alpha-oxo-gamma-butyrolactones. Organic Letters. 2: 3619-21. PMID 11073659 DOI: 10.1021/Ol000245G  0.724
2000 Ziegler FE, Kover RX, Yee NNK. Studies directed toward the synthesis of FS-2: Observations on the fragmentation of cyclobutylcarbinyl radicals Tetrahedron Letters. 41: 5155-5159. DOI: 10.1016/S0040-4039(00)00810-8  0.386
1998 Ziegler FE, Wang Y. A Synthesis of (+)-Cyclophellitol from D-Xylose. The Journal of Organic Chemistry. 63: 426-427. PMID 11672025 DOI: 10.1021/Jo971998S  0.319
1998 Ziegler FE, Wang Y. Free Radical Studies and Solutions to the Synthesis of (+)-Cyclophellitol Journal of Organic Chemistry. 63: 7920-7930. DOI: 10.1021/Jo981211D  0.428
1998 Ziegler FE, Berlin MY. A synthesis of (+)-9a-desmethoxymitomycin A via aziridinyl radical cyclization Tetrahedron Letters. 39: 2455-2458. DOI: 10.1016/S0040-4039(98)00286-X  0.48
1996 Ziegler FE, Wang Y. Carbon-carbon bond forming reactions with oxiranyl radicals Tetrahedron Letters. 37: 6299-6302. DOI: 10.1016/0040-4039(96)01384-6  0.345
1996 Ziegler FE, Petersen AK. Tandem cyclopropylcarbinyl/oxiranylcarbinyl radical rearrangements: An entry into the prostaglandin B1 series Tetrahedron Letters. 37: 809-812. DOI: 10.1016/0040-4039(95)02327-5  0.355
1995 Ziegler FE, Harran PG. A Synthesis of Naturally Occurring (1S,2S,3R)-4-Hydroxymethylcyclopent-4-ene-1,2,3-triol Utilizing the Cyclization of a Dioxolanyl Radical Synlett. 1995: 493-494. DOI: 10.1055/S-1995-5262  0.736
1995 Ziegler FE, Wallace OB. The Total Synthesis of (.+-.)-Scopadulcic Acids A and B and (.+-.)-Scopadulciol The Journal of Organic Chemistry. 60: 3626-3636. DOI: 10.1021/Jo00117A011  0.328
1995 Ziegler FE, Petersen AK. Allyloxy radicals are formed reversibly from oxiranylcarbinyl radicals: A kinetic study Journal of Organic Chemistry. 60: 2666-2667. DOI: 10.1021/Jo00114A011  0.302
1994 Ziegler FE, Belema M. Cyclization of chiral carbon-centered aziridinyl radicals: A new route to azirino[2′,3′:3,4]pyrrolo[1,2-a]indoles Journal of Organic Chemistry. 59: 7962-7967. DOI: 10.1021/Jo00105A009  0.368
1994 Ziegler FE, Petersen AK. Tandem fragmentation of cyclopropylcarbinyl/oxiranylcarbinyl radicals. On the reversibility of oxiranylcarbinyl/allyloxyl radical formation Journal of Organic Chemistry. 59: 2707-2714. DOI: 10.1021/Jo00089A012  0.351
1994 Ziegler FE, Kim H. A selective Baeyer-Villiger oxidation: a total synthesis of (-)acetomycin Tetrahedron Letters. 35: 968. DOI: 10.1016/S0040-4039(00)61535-6  0.386
1993 Ziegler FE, Harran PG. Intramolecular addition of a dioxolanyl radical to the indole nucleus: Preparation of enantiomerically pure, oxygenated perhydro-3H-pyrrolo[1,2-a]indoles Journal of Organic Chemistry. 58: 2768-2773. DOI: 10.1021/Jo00062A019  0.764
1993 Ziegler FE, Metcalf CA, Nangia A, Schulte G. Structure and total Synthesis of sporol and neosporol Journal of the American Chemical Society. 115: 2581-2589. DOI: 10.1021/Ja00060A006  0.538
1993 Ziegler FE, Harran PG. A route to chiral epoxypyrroloindoles via oxiranyl radical cyclization Tetrahedron Letters. 34: 4505-4508. DOI: 10.1016/0040-4039(93)88070-Y  0.754
1992 Ziegler FE, Metcalf CA, Schulte G. Confirmation by total synthesis of the revised structure of sporol: an application of cyclic thionocarbonate-initiated radical cyclization Tetrahedron Letters. 33: 3117-3120. DOI: 10.1016/S0040-4039(00)79828-5  0.439
1991 Ziegler FE, Jeroncic LO. A new route to 9,9a-dihydro-3H-pyrrolo[1,2-a]indoles via radical cyclization Journal of Organic Chemistry. 56: 3479-3486. DOI: 10.1021/Jo00011A008  0.431
1990 Ziegler FE, Becker MR. Total synthesis of (-)-denticulatins A and B: Marine polypropionates from Siphonaria denticulata Journal of Organic Chemistry. 55: 2800-2805. DOI: 10.1021/Jo00296A044  0.428
1990 Ziegler FE, Sobolov SB. Synthesis of a highly functionalized carbon ring skeleton for the trichothecene anguidine Journal of the American Chemical Society. 112: 2749-2758. DOI: 10.1021/Ja00163A043  0.336
1989 Ziegler FE, Cain WT. Formal synthesis of (-)-calcimycin (A-23187) via the 3-methyl-.gamma.-butyrolactone approach Journal of Organic Chemistry. 54: 3347-3353. DOI: 10.1021/Jo00275A019  0.341
1988 Ziegler FE, Cain WT, Kneisley A, Stirchak EP, Wester RT. Applications of the 3-methyl-γ-butyrolactone strategy to the synthesis of polypropionates: The prelog-djerassi lactonic ester, ent-invictolide, and the C19-C27 fragment of rifamycin S Journal of the American Chemical Society. 110: 5442-5452. DOI: 10.1021/Ja00224A032  0.367
1988 Ziegler FE, Kneisley A, Thottathil JK, Wester RT. 3-Methyl-.gamma.-butyrolactones as templates for the synthesis of polypropionates: the basic strategy Journal of the American Chemical Society. 110: 5434-5442. DOI: 10.1021/Ja00224A031  0.385
1988 Ziegler FE, Nangia A, Schulte G. The synthesis of neosporol: A trichothecene in search of a natural product Tetrahedron Letters. 29: 1669-1672. DOI: 10.1016/S0040-4039(00)82013-4  0.591
1988 Ziegler FE, Nangia A, Tempesta MS. Sporol: A structure revision Tetrahedron Letters. 29: 1665-1668. DOI: 10.1016/S0040-4039(00)82012-2  0.445
1987 Ziegler FE, Jaynes BH, Saindane MT. A synthetic route to forskolin Journal of the American Chemical Society. 109: 8115-8116. DOI: 10.1021/Ja00260A044  0.319
1987 Ziegler FE, Nangia A, Schulte G. Synthesis of the 1,3-dioxolane ring system of the trichothecenes sambucinol and sporol via a stereoselective Claisen rearrangement Journal of the American Chemical Society. 109: 3987-3991. DOI: 10.1021/Ja00247A026  0.575
1987 Ziegler FE, Zheng Zl. Functionalized cyclopentanes via radical cyclizations using thiocarbonate derivatives as initiators and terminators Tetrahedron Letters. 28: 5973-5976. DOI: 10.1016/S0040-4039(00)96840-0  0.425
1987 Ziegler FE, Jaynes BH. Reconstitution of forskolin from a ring C dihydropyran-4-one degradation product thereof Tetrahedron Letters. 28: 2339-2342. DOI: 10.1016/S0040-4039(00)96118-5  0.363
1987 Ziegler FE, Kneisley A. 3-Methyl-γ-butyrolactone as a source of 2-methyl-3-hydroxyketones and 2-methyl-1,3-diols: a synthesis of the C19C27 fragment of rifamycin S by linear iteration Tetrahedron Letters. 28: 1725-1728. DOI: 10.1016/S0040-4039(00)95405-4  0.379
1986 Ziegler FE, Hwang KJ, Kadow JF, Klein SI, Pati UK, Wang TF. Practical routes to two functionalized decalones for the synthesis of quassinoids Journal of Organic Chemistry. 51: 4573-4579. DOI: 10.1021/Jo00374A016  0.33
1986 Ziegler FE, Stirchak EP, Wester RT. R-3-methyl-γ-butyrolactone as a template for the synthesis of (+)-invictolide Tetrahedron Letters. 27: 1229-1232. DOI: 10.1016/S0040-4039(00)84224-0  0.386
1986 Ziegler FE, Wester RT. Regiochemical control in the hemiacetalization of a dihydroxydialdehyde. An application of the use of homochiral 3-methyl-δ-butyrolactones to the construction of homochiral tripropionate units. Tetrahedron Letters. 27: 1225-1228. DOI: 10.1016/S0040-4039(00)84223-9  0.328
1986 Ziegler FE, Kneisley A, Wester RT. On the extent of racemization of allylic esters during palladium-mediated alkylation with homochiral 3-methyl-δ-butyrolactone derivatives Tetrahedron Letters. 27: 1221-1224. DOI: 10.1016/S0040-4039(00)84222-7  0.373
1986 ZIEGLER FE, JAYNES BH. ChemInform Abstract: Rearrangement of a Hindered Allylic Alcohol During Vanadium-Catalyzed Epoxidation. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198615194  0.312
1985 Ziegler FE, Kneisley A. A contrathermodynamic epimerization of a 2,3-trans-disubstituted butyrolactone: intermediates for chiral polypropionate units. Tetrahedron Letters. 26: 263-266. DOI: 10.1016/S0040-4039(01)80792-9  0.352
1985 Ziegler FE, Jaynes BE, Saindane MT. A C6, C7 Oxygen Functionalized Intermediate for the Synthesis of Forskolin: Stereochemical Control in an Intramolecular Diels-Alder Reaction Tetrahedron Letters. 26: 3307-3310. DOI: 10.1016/S0040-4039(00)98284-4  0.404
1985 Ziegler FE, Jaynes BH. Rearrangement of a hindered allylic alcohol during vanadium-catalyzed epoxidation. A short synthesis of uvidin-c. Tetrahedron Letters. 26: 5875-5878. DOI: 10.1016/S0040-4039(00)98250-9  0.353
1985 Ziegler FE, Wang TF. On the mechanism of the mander carbomethoxylation of ketone enolates with methyl cyanoformate Tetrahedron Letters. 26: 2291-2292. DOI: 10.1016/S0040-4039(00)95077-9  0.37
1985 Ziegler FE, Klein SI, Pati UK, Wang TF. Acyclic diastereoselection as a synthetic route to quassinoids: A Claisen rearrangement based strategy for bruceantin Journal of the American Chemical Society. 107: 2730-2737. DOI: 10.1002/Chin.198536332  0.344
1984 Ziegler FE, Wang TF. Synthesis of (±)-11-ketoprogesterone, a precursor to the corticosteroids. An improved method for the introduction of the carbon 19 methyl group into A-ring aromatic steroids Journal of the American Chemical Society. 106: 718-721. DOI: 10.1021/Ja00315A043  0.344
1984 Ziegler FE, Wester RT. Acyclic stereocontrol via the claisen rearrangement: a formal synthesis of (+) tirandamycic acid Tetrahedron Letters. 25: 617-620. DOI: 10.1016/S0040-4039(00)99953-2  0.406
1984 Ziegler FE, Mikami K. Alkylation of 1-trimethylsilylvinyl aluminates with "unreactive" alkyl halides mediated by cuprous iodide-trimethyl phosphite complex Tetrahedron Letters. 25: 131-134. DOI: 10.1016/S0040-4039(00)99821-6  0.339
1984 Ziegler FE, Mikami K. The effect of the trimethylsilyl group on the regiochemistry of the ene reaction Tetrahedron Letters. 25: 127-130. DOI: 10.1016/S0040-4039(00)99820-4  0.337
1984 Ziegler FE, Mencel JJ. The tandem claisen-ene rearrangement: a method for the stereocontrolled synthesis of functionalized cyclopentanoids Tetrahedron Letters. 25: 123-126. DOI: 10.1016/S0040-4039(00)99819-8  0.398
1984 Ziegler FE, Lim H. Tandem Cope-Claisen rearrangement in the synthesis of steroids: Stork's keto acid Journal of Organic Chemistry. 49: 3278-3281. DOI: 10.1002/Chin.198511247  0.375
1984 Ziegler FE, Wang T-. Synthesis Of (.+-.)-11-Ketoprogesterone, A Precursor To The Corticosteroids. An Improved Method For The Introduction Of The Carbon 19 Methyl Group Into A-Ring Aromatic Steroids Cheminform. 15. DOI: 10.1002/Chin.198419313  0.366
1984 ZIEGLER FE, MENCEL JJ, MIKAMI K. ChemInform Abstract: The Tandem Claisen-Ene Rearrangement: A Method for the Stereocontrolled Synthesis of Functionalized Cyclopentanoids. The Effect of the Trimethylsilyl Group on the Regiochemistry of the Ene Reaction. Chemischer Informationsdienst. 15. DOI: 10.1002/Chin.198419154  0.374
1983 Ziegler FE, Mencel JJ. Application of dithianylidene anions to the synthesis of de-ab-8-carbomethoxycholestan-9-one: a steroid and vitamin D synthon Tetrahedron Letters. 24: 1859-1862. DOI: 10.1016/S0040-4039(00)81790-6  0.355
1983 Ziegler FE, Hwang KJ. On the aprotic Robinson annelation of dihydrocarvone and 2-methylcyclohexanone with methyl and ethyl vinyl ketone Journal of Organic Chemistry. 48: 3349-3351. DOI: 10.1002/Chin.198407178  0.357
1982 Ziegler FE, Lim H. A synthesis of (.+-.)-estrone methyl ether via the tandem Cope-Claisen rearrangement Journal of Organic Chemistry. 14: 5229-5230. DOI: 10.1021/Jo00147A046  0.422
1982 Ziegler FE, Piwinski JJ. Tandem Cope-Claisen rearrangement: Scope and stereochemistry Journal of the American Chemical Society. 104: 7181-7190. DOI: 10.1021/Ja00389A048  0.349
1982 Ziegler FE, Fang JM, Tam CC. Conjugate addition of dithianylidene anions to α,β-unsaturated ketones. An application to the total synthesis of (±)-aromatin and (±)-confertin Journal of the American Chemical Society. 104: 7174-7181. DOI: 10.1021/Ja00389A047  0.315
1982 Ziegler FE, Thottathil JK. High diastereoselection in the claisen rearrangement of enantiomerically pure butyrolactones Tetrahedron Letters. 23: 3531-3534. DOI: 10.1016/S0040-4039(00)87661-3  0.304
1981 Ziegler FE, Gilligan PJ. Synthetic studies on the carbomycins (magnamycins): An exception to the enantioselective synthesis of β-alkyl carboxylic acids via chiral oxazolines Journal of Organic Chemistry. 46: 3874-3880. DOI: 10.1021/Jo00332A023  0.397
1981 Ziegler FE, Thottathil JK. A facile construction of the 2,9-dioxabicyclo-[3.3.1]- non-7-en-6-one ring system: A model for tirandanycin. Tetrahedron Letters. 22: 4883-4886. DOI: 10.1016/S0040-4039(01)92371-8  0.306
1981 Ziegler FE, Wang TF. A formal, stereocontrolled synthesis of (±) estrone employing the trimethylsilylcyanohydrin cope rearrangement Tetrahedron Letters. 22: 1179-1182. DOI: 10.1016/S0040-4039(01)90268-0  0.341
1981 Ziegler FE, Chakraborty UR, Weisenfeld RB. A palladium-catalyzed carbon-carbon bond formation of conjugated dienones. A macrocyclic dienone lactone model for the carbomycins Tetrahedron. 37: 4035-4040. DOI: 10.1016/S0040-4020(01)93278-8  0.355
1980 Ziegler FE, Guenther T, Nelson RV. Monoalkylidene Derivatives Of Meldrum's Acid Synthetic Communications. 10: 661-665. DOI: 10.1080/00397918008065647  0.311
1980 Ziegler FE, Piwinski JJ. Stereochemical course of the Cope-Claisen rearrangement of the stereoisomeric 2-vinyl-3-isopropenylcyclohexylvinyl ethers. A system having .DELTA.GClaisen.++. .mchgt. .DELTA.GCope.++. Journal of the American Chemical Society. 102: 880-882. DOI: 10.1021/Ja00522A091  0.332
1980 Ziegler FE, Chliwner I, Fowler KW, Kanfer SJ, Kuo SJ, Sinha ND. The ambient temperature Ullmann reaction and its application to the total synthesis of (±)-steganacin Journal of the American Chemical Society. 102: 790-798. DOI: 10.1021/Ja00522A058  0.313
1980 Ziegler FE, Nelson RV, Wang Tf. A homologous ester claisen rearrangement via the cope rearrangement of O-trimethylsilylcyanohydrins Tetrahedron Letters. 21: 2125-2128. DOI: 10.1016/S0040-4039(00)78975-1  0.329
1979 Ziegler FE, Chan Tam C. Ketene dithioacetals III: the conjugate addition of ketene dithioacetal anions to cyclic α,β-unsaturated ketones Tetrahedron Letters. 20: 4717-4720. DOI: 10.1016/S0040-4039(01)86692-2  0.327
1979 Ziegler FE, Cady MA, Nelson RV, Photis JM. A novel 2,3-dioxo-norcar-4-ene-7-carboxylic acid via rearrangement of an α-diketone Tetrahedron Letters. 20: 2741-2744. DOI: 10.1016/S0040-4039(01)86403-0  0.356
1978 Ziegler FE, Schwartz JA. Synthetic studies on lignan lactones: aryl dithiane route to (.+-.)-podorhizol and (.+-.)-isopodophyllotoxone and approaches to the stegane skeleton Journal of Organic Chemistry. 43: 985-991. DOI: 10.1021/Jo00399A040  0.33
1978 Ziegler FE, Fowler KW, Sinha ND. A total synthesis of (±) steganacin via the modified Ullmann reaction Tetrahedron Letters. 19: 2767-2770. DOI: 10.1016/S0040-4039(01)94857-9  0.333
1977 Ziegler FE, Wender PA. Methyldialkylcyanodiazenecarboxylates as intermediates for transforming aliphatic ketones into nitriles The Journal of Organic Chemistry. 42: 2001-2003. DOI: 10.1021/Jo00431A036  0.592
1977 Ziegler FE, Reid GR, Studt WL, Wender PA. Stereochemistry of dialkylcuprate additions to cyclopropyl acrylic esters. An application to the synthesis of (.+-.)-eremophilone The Journal of Organic Chemistry. 42: 1991-2001. DOI: 10.1021/Jo00431A035  0.658
1977 Ziegler FE. Stereo- and regiochemistry of the claisen rearrangement: Applications to natural products synthesis Accounts of Chemical Research. 10: 227-232. DOI: 10.1021/Ar50114A006  0.366
1977 Ziegler FE, Kloek JA. The stereocontrolled photoaddition of allene to cyclopent-1-ene-1-carboxaldehydes. A total synthesis of (±) steviol methyl ester and isosteviol methyl ester Tetrahedron. 33: 373-380. DOI: 10.1016/0040-4020(77)80089-6  0.382
1975 Ziegler FE, Schwartz JA. The alkylation and aldolization of lactone enolates derived by the conjugate addition of an aryl dithiane anion to 2-butenolide: A synthesis of (±)podorhizol and (±)epipodorhizol. Tetrahedron Letters. 16: 4643-4646. DOI: 10.1016/S0040-4039(00)91041-4  0.339
1974 Ziegler FE, Wender PA. The stereospecific generation of the cis-vicinal methyls in eremophilane and valencane sesquiterpenes: The total synthesis of (±) eremophilone and (±) 7-epieremophilone. Tetrahedron Letters. 15: 449-452. DOI: 10.1016/S0040-4039(01)82239-5  0.588
1974 Ziegler FE, Kloek JA. The stereochemistry of the photoaddition of allene to cyclopent-1-ene-1-carboxaldehydes Tetrahedron Letters. 15: 315-318. DOI: 10.1016/S0040-4039(01)82203-6  0.36
1974 Ziegler FE, Bennett GB. The Claisen Rearrangement In Indole Alkaloid Synthesis, The Total Synthesis Of (+-)-Tabersonine Cheminform. 5. DOI: 10.1002/Chin.197402426  0.425
1973 Ziegler FE, Spitzner EB. A biogenetically modeled synthesis via an indole acrylic ester. A total synthesis of (±)-minovine Journal of the American Chemical Society. 95: 7146-7149. PMID 4784289 DOI: 10.1021/Ja00802A040  0.375
1973 Ziegler FE, Bennett GB. The claisen rearrangement in indole alkaloid synthesis. The total synthesis of ( )-tabersonine. Journal of the American Chemical Society. 95: 7458-64. PMID 4747879 DOI: 10.1021/Ja00803A041  0.425
1973 Ziegler FE, Spitzner EB. A Biogenetically Modeled Synthesis Via An Indole Acrylic Ester, A Total Synthesis Of (+-)-Minovine Cheminform. 4. DOI: 10.1002/Chin.197352486  0.362
1971 Ziegler FE, Condon ME. Gibbane synthons via hexahydrofluorenones. An intramolecular reformatsky reaction Journal of Organic Chemistry. 36: 3707-3714. DOI: 10.1021/Jo00823A010  0.307
1971 Ziegler FE, Bennett GB. Total synthesis of (+-)-tabersonine Journal of the American Chemical Society. 93: 5930-5931. DOI: 10.1021/Ja00751A076  0.392
1971 Ziegler FE, Wender PA. Base-induced decomposition of methyl dialkylcyanodiazenecarboxylates. Transformation of ketones into nitriles, .alpha.-carbomethoxynitriles, and .alpha.-methylnitriles Journal of the American Chemical Society. 93: 4318-4319. DOI: 10.1021/Ja00746A052  0.589
1971 ZIEGLER FE, WENDER PA. ChemInform Abstract: BASENINDUZIERTE ZERS. VON DIALKYLCYANDIAZENCARBONSAEUREMETHYLESTERN, UMWANDLUNG VON KETONEN IN NITRILE, ALPHA-METHOXYCARBONYL- UND ALPHA-METHYL-NITRILE Chemischer Informationsdienst. Organische Chemie. 2: no-no. DOI: 10.1002/Chin.197145280  0.582
1970 Ziegler FE, Spitzner EB. The biogenetically modeled total synthesis of (plus minus)-minovine. Journal of the American Chemical Society. 92: 3492-4. PMID 5422770 DOI: 10.1021/Ja00714A058  0.332
1970 Ziegler FE, Bennett GB. The synthesis of 6,7-dehydroquebrachamine Tetrahedron Letters. 11: 2545-2547. DOI: 10.1016/S0040-4039(01)98277-2  0.405
1969 Ziegler F, Kloek J, Zoretic P. Additions and Corrections - A Synthesis of Quebrachamine and 3,4-Dehydroquebrachamine Journal of the American Chemical Society. 91: 4943-4943. DOI: 10.1021/Ja01045A606  0.373
1969 Ziegler FE, Kloek JA, Zoretic PA. A synthesis of quebrachamine and 3,4-dehydroquebrachamine Journal of the American Chemical Society. 91: 2342-2350. DOI: 10.1021/Ja01037A026  0.405
1969 Ziegler FE, Sweeny JG. A synthesis of dihydrocorynantheol and 3-epi-dihydrocorynantheol Tetrahedron Letters. 10: 1097-1100. DOI: 10.1016/S0040-4039(01)97749-4  0.407
1969 Ziegler FE, Condon ME. A facile route to -hexahydrofluoren-2,9-dione and its 7-methoxy analog. Tetrahedron Letters. 10: 2315-2317. DOI: 10.1016/S0040-4039(01)88151-X  0.338
1968 Ziegler FE, Zoretic PA. The alkylation of cyclic enamines: a synthesis of the quebrachamine skeleton Tetrahedron Letters. 9: 2639-2641. DOI: 10.1016/S0040-4039(00)89662-8  0.454
1966 Büchi G, Coffen DL, Kocsis K, Sonnet PE, Ziegler FE. The total synthesis of iboga alkaloids Journal of the American Chemical Society. 88: 3099-3109. DOI: 10.1021/Ja00965A039  0.401
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