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Edgar Niecke - Publications

Affiliations: 
Inorganic Chemistry University of Bonn, Germany, Bonn, Nordrhein-Westfalen, Germany 
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Year Citation  Score
2012 Yoshifuji M, Hirano Y, Schnakenburg G, Streubel R, Niecke E, Ito S. New aspects of 1,3-diphosphacyclobutane-2,4-diyls Helvetica Chimica Acta. 95: 1723-1729. DOI: 10.1002/Hlca.201200442  0.492
2010 NIECKE E, METTERNICH H, NIEGER M, GUDAT D, WENDEROTH P, MALISCH W, HAHNER C, REICH W. ChemInform Abstract: Methylenephosphanyl Complexes of Chromium, Molybdenum, Tungsten, Iron and Nickel - Synthesis and Reactivity. Cheminform. 24: no-no. DOI: 10.1002/chin.199340247  0.464
2010 BOESKE J, NIECKE E, KREBS B, LAEGE M, HENKEL G. ChemInform Abstract: 1,2-Dihydro-1,3,2λ5,4λ5-diazadiphosphete - Synthesis, Structure and Isomerization to the “Inner Salt” of 1,3,2,4λ5- Diazadiphosphetan-2-ium Hydroxide Cheminform. 24: no-no. DOI: 10.1002/chin.199313238  0.432
2010 GUDAT D, SCHIFFNER HM, NIEGER M, STALKE D, BLAKE AJ, GRONDEY H, NIECKE E. ChemInform Abstract: Coordination Isomerism in Pentamethylcyclopentadienyl-Substituted Iminophosphanes: From Classical Structures to a π-Complexed Iminophosphenium Ion. Cheminform. 24: no-no. DOI: 10.1002/chin.199308237  0.501
2010 APPEL R, GUDAT D, NIECKE E, NIEGER M, PORZ C, WESTERMANN H. ChemInform Abstract: Synthesis and Structure of Amino-Substituted Tetraphosphetanes. Cheminform. 22: no-no. DOI: 10.1002/chin.199139208  0.507
2010 STREUBEL R, NIECKE E, PAETZOLD P. ChemInform Abstract: Azaphosphaboriridines and Azadiphosphiridines by Phosphinediyl Transfer Reactions. Cheminform. 22: no-no. DOI: 10.1002/chin.199126225  0.428
2010 NIECKE E, STREUBEL R, NIEGER M. ChemInform Abstract: Formation of a trans-1,2,4,5-Tetraphosphatricyclo(3.1.0.02,4)hexane by (2 + 2) Cyclodimerization of a 3H-Diphosphirene. Cheminform. 22: no-no. DOI: 10.1002/chin.199114213  0.436
2007 Overländer C, Tirrée JJ, Nieger M, Niecke E, Moser C, Spirk S, Pietschnig R. Preparation and molecular structure of 2,6-dimesitylphenyldichlorophosphane Applied Organometallic Chemistry. 21: 46-48. DOI: 10.1002/Aoc.1161  0.548
2006 Bender M, Niecke E, Nieger M, Pietschnig R. Bis(stannyl)phosphanyl-substituted dichlorosilanes/germanes - Potential precursors for a novel strategy toward P-Si/Ge multiple bonds? European Journal of Inorganic Chemistry. 380-384. DOI: 10.1002/Ejic.200500646  0.607
2006 Niecke E, Rüger R, Krebs B, Dartmann M. Azatriphosphetidine als Cyclotrimere eines Iminophosphans — Synthese und Kristallstruktur Angewandte Chemie. 95: 570-571. DOI: 10.1002/Ange.19830950723  0.42
2006 Niecke E, Rüger R, Krebs B. Das erste Tetraphospha‐bicyclobutan Angewandte Chemie. 94: 553-554. DOI: 10.1002/Ange.19820940725  0.392
2006 Niecke E, Rüger R. Bis(trimethylsilyl)aminophosphan Angewandte Chemie. 94: 70-71. DOI: 10.1002/Ange.19820940118  0.339
2005 Becker G, Brombach H, Horner ST, Niecke E, Schwarz W, Streubel R, Würthwein EU. Synthesis and structure of K+ [iPrN=C=P]-, a 1-aza-3lambda3-phospha-3-allenide. Inorganic Chemistry. 44: 3080-6. PMID 15847412 DOI: 10.1021/Ic048162+  0.598
2005 Schneider JF, Nieger M, Nättinen K, Lewall B, Niecke E, Dötz KH. Novel [6]- And [7]helicene-like quinones via mono- and bidirectional chromium-templated benzannulation of bridged binaphthyl carbene complexes European Journal of Organic Chemistry. 1541-1560. DOI: 10.1002/Ejoc.200400800  0.376
2005 Sebastian M, Hoskin A, Nieger M, Nyulászi L, Niecke E. Cyclisches Bis(phosphanyl)carbenium‐Ion durch Protonierung eines 1,3‐Diphosphacyclobutan‐2,4‐diyls Angewandte Chemie. 117: 1429-1432. DOI: 10.1002/Ange.200462032  0.34
2004 Sebastian M, Schmidt O, Fuchs A, Nieger M, Szieberth D, Nyulaszi L, Niecke E. From 1,3-diphosphetane-2,4-diyls to cyclic anions and cations Phosphorus, Sulfur and Silicon and the Related Elements. 179: 779-783. DOI: 10.1080/10426500490427024  0.349
2004 Sebastian M, Nieger M, Szieberth D, Nyulászi L, Niecke E. Synthese und Struktur eines 1,3-Diphosphacyclobutadiendiids– aniomesolytische Fragmentierung eines 1,3-Diphosphetan-2,4-diyls in Lösung Angewandte Chemie. 116: 647-651. DOI: 10.1002/Ange.200352746  0.345
2003 Raab M, Tirreé J, Nieger M, Niecke E. Synthesis, structure and reactivity of PH-phosphoraneiminato- and iminophosphoraneiminato group 4 transition-metal complexes Zeitschrift Fur Anorganische Und Allgemeine Chemie. 629: 769-780. DOI: 10.1002/Zaac.200390139  0.336
2002 Ekici S, Gudat D, Nieger M, Nyulaszi L, Niecke E. Kinetically controlled protonation of a cyclic phosphamethanide complex to a PH-phosphonium ylide. Angewandte Chemie (International Ed. in English). 41: 3367-71. PMID 12298034 DOI: 10.1002/1521-3773(20020916)41:18<3367::Aid-Anie3367>3.0.Co;2-7  0.439
2002 Fuchs A, Gudat D, Nieger M, Schmidt O, Sebastian M, Nyulaszi L, Niecke E. 1,3-Diphospholene-4-ylidene chromium (tungsten) pentacarbonyl complexes formed by CO insertion into the ring of a 1,3-diphosphacyclobutane-2,4-diyl-2-ide-complexes of a phosphanyl carbene or a phosphonium ylide? Chemistry (Weinheim An Der Bergstrasse, Germany). 8: 2188-96. PMID 11981904 DOI: 10.1002/1521-3765(20020503)8:9<2188::Aid-Chem2188>3.0.Co;2-F  0.53
2002 Tirree J, Gudat D, Nieger M, Niecke E. Diamino-cyclodiphosph(V)azenes and diimino-cyclodiphosph(V)azanes: Tautomerism, structures and reactivity Phosphorus, Sulfur and Silicon and Related Elements. 177: 2253. DOI: 10.1080/10426500213333  0.427
2002 Baumgartner T, Moors P, Nieger M, Hupfer H, Niecke E. Unusual approaches to organophosphorus compounds: The surprising reactivity of bis(methylene)phosphoranes and related phosphoranylidene carbenoids Organometallics. 21: 4919-4926. DOI: 10.1021/Om020319N  0.593
2002 Ekici S, Gudat D, Nieger M, Nyulaszi L, Niecke E. Kinetisch kontrollierte Protonierung eines cyclischen Phosphamethanidkomplexes zum PH-Phosphoniumylid Angewandte Chemie. 114: 3515-3519. DOI: 10.1002/1521-3757(20020916)114:18<3515::Aid-Ange3515>3.0.Co;2-D  0.39
2001 Tirreé J, Gudat D, Nieger M, Niecke E. Reversible Tautomeric Transformation between a Bis(amino)cyclodiphosph(V)azene and a Bis(imino)cyclodiphosph(V)azane. Angewandte Chemie (International Ed. in English). 40: 3025-8. PMID 12203637 DOI: 10.1002/1521-3773(20010817)40:16<3025::Aid-Anie3025>3.0.Co;2-E  0.547
2001 Schoeller WW, Begemann C, Niecke E, Gudat D. Electronic structure of the 2.4-diphosphacyclobutane-diyl-1.3 and Substituted derivatives Journal of Physical Chemistry A. 105: 10731-10738. DOI: 10.1021/Jp0117009  0.546
2001 Tirreé J, Gudat D, Nieger M, Niecke E. Reversible tautomere Umwandlung zwischen einem Bis(amino)cyclodiphosph(V)azen und einem Bis(imino)cyclodiphosph(V)azan Angewandte Chemie. 113: 3115-3117. DOI: 10.1002/1521-3757(20010817)113:16<3115::Aid-Ange3115>3.0.Co;2-8  0.496
2000 Blättner M, Nieger M, Ruban A, Schoeller WW, Niecke E. Synthesis of the Adduct DMAP small middle dotBrP(=N-Mes*)(2) and of the Salt Angewandte Chemie (International Ed. in English). 39: 2768-2771. PMID 10934422 DOI: 10.1002/1521-3773(20000804)39:15<2768::Aid-Anie2768>3.0.Co;2-4  0.3
2000 Schulz S, Raab M, Nieger M, Niecke E. Syntheses and X-ray Structures of Novel Main Group Bis(dialkylamino)phosphinimides† Organometallics. 19: 2616-2620. DOI: 10.1021/Om000059E  0.314
1999 Niecke E, Fuchs A, Nieger M, Schmidt O, Schoeller WW. 1,3-Diphosphacyclobutane-2,4-diyl-2-ylidenide: A Unique Carbene and Its Trimethylalane Complex. Angewandte Chemie (International Ed. in English). 38: 3031-3034. PMID 10540411 DOI: 10.1002/(Sici)1521-3773(19991018)38:20<3031::Aid-Anie3031>3.0.Co;2-G  0.383
1999 Niecke E, Fuchs A, Nieger M. Valence Isomerization of a 1,3-Diphosphacyclobutane-2,4-diyl: Photochemical Ring Closure to 2,4-diphosphabicyclo Angewandte Chemie (International Ed. in English). 38: 3028-3031. PMID 10540410 DOI: 10.1002/(Sici)1521-3773(19991018)38:20<3028::Aid-Anie3028>3.0.Co;2-D  0.332
1999 Niecke E, Fuchs A, Schmidt O, Nieger M. Diphosphetane-diyles: Diradical or Hückel-aromatic? from orbital and structural isomerism to radical cations and anionic carbenes Phosphorus, Sulfur and Silicon and Related Elements. 144: 41-44. DOI: 10.1080/10426509908546177  0.355
1999 Raab M, Schick G, Gudat D, Nieger M, Niecke E. N-Metalla Hydridophosphazenes: Precursors for Heterobimetallic Complexes and Hydridophosphazene Oligomers and Polymers Phosphorus, Sulfur, and Silicon and the Related Elements. 147: 353-353. DOI: 10.1080/10426509908053656  0.444
1999 Niecke E, Nieger M, Pietschnig R. Mixed Substituted Ferrocenylenebisphosphanes Phosphorus, Sulfur, and Silicon and the Related Elements. 147: 325-325. DOI: 10.1080/10426509908053643  0.582
1999 Gudat D, Niecke E, Grossmann G, Krüger K. Transmission of Molecular Structure on NMR Characteristics of Phosphorus-Nitrogen Double Bond Systems Phosphorus, Sulfur, and Silicon and the Related Elements. 147: 103-103. DOI: 10.1080/10426509908053532  0.485
1999 Blättner M, Ruban A, Gudat D, Nieger M, Niecke E. From Neutral to Cationic Adducts: Investigations on the System Halogeno (Imino) Phosphane (Bisiminophosphorane)/DMAP Phosphorus, Sulfur, and Silicon and the Related Elements. 147: 31-31. DOI: 10.1080/10426509908053496  0.501
1999 Baumgartner T, Gudat D, Nieger M, Niecke E. Phosphavinylidene-Carbenoids [P]˭C(Li)X (X ˭ Br, Cl, F): Structure and Dynamics Phosphorus, Sulfur, and Silicon and the Related Elements. 147: 25-25. DOI: 10.1080/10426509908053493  0.637
1999 Baumgartner T, Gudat D, Nieger M, Niecke E, Schiffer TJ. Lithium phosphoranylidene carbenoids Mes*-P(=E)=C(X)Li(THF)3 (E = NMes*, C(SiMe3)2; X = Br, Cl, F): Synthesis and structural investigations in solution and solid state Journal of the American Chemical Society. 121: 5953-5960. DOI: 10.1021/Ja990074E  0.672
1999 Niecke E, Nieger M, Schmidt O, Gudat D, Schoeller WW. Spectroscopic and structural characterization of a phosphavinylidene carbenoid, Mes*-P=C(C1){Li(DME)2}: Stabilization of a carbenanionic center by a cisoid lone pair interaction Journal of the American Chemical Society. 121: 519-522. DOI: 10.1021/Ja981980E  0.556
1999 Niecke E, Fuchs A, Nieger M, Schmidt O, Schoeller WW. 1,3-Diphosphacyclobutan-2,4-diyl-2-ylidenid: ein präzendenzloses Carben und sein Trimethylalan-Komplex Angewandte Chemie. 111: 3216-3219. DOI: 10.1002/(Sici)1521-3757(19991018)111:20<3216::Aid-Ange3216>3.0.Co;2-3  0.326
1999 Gudat D, Niecke E, Grossmann G, Krüger K. Electronic structure and phosphorus shielding: Transition between PN double and triple bonding in iminophosphines RO-P=NMes Magnetic Resonance in Chemistry. 37: 43-47. DOI: 10.1002/(Sici)1097-458X(199901)37:1<43::Aid-Mrc407>3.0.Co;2-A  0.47
1998 Schmidt O, Fuchs A, Gudat D, Nieger M, Hoffbauer W, Niecke E, Schoeller WW. Valence Isomerization in the Solid State: From 1,3-Diphosphacyclobutane-2,4-diyl to 1,2-Dihydro-1,2-diphosphete. Angewandte Chemie (International Ed. in English). 37: 949-952. PMID 29711486 DOI: 10.1002/(Sici)1521-3773(19980420)37:7<949::Aid-Anie949>3.0.Co;2-H  0.538
1998 Cloke FGN, Hitchcock PB, Hunnable P, Nixon JF, Nyulászi L, Niecke E, Thelen V. The First Delocalized Phosphole Containing a Planar Tricoordinate Phosphorus Atom: 1-[Bis(trimethylsilyl)methyl]-3,5-bis(trimethylsilyl)-1,2,4-triphosphole. Angewandte Chemie (International Ed. in English). 37: 1083-1086. PMID 29711035 DOI: 10.1002/(Sici)1521-3773(19980504)37:8<1083::Aid-Anie1083>3.0.Co;2-C  0.302
1998 Schick G, Raab M, Gudat D, Nieger M, Niecke E. Synthesis and Crystal Structure of a P-Hydridophosphoraniminato-Zirconium Complex and Reaction to the First Tris(hydrido)cyclotriphosphazene. Angewandte Chemie (International Ed. in English). 37: 2390-2392. PMID 29710953 DOI: 10.1002/(Sici)1521-3773(19980918)37:17<2390::Aid-Anie2390>3.0.Co;2-P  0.571
1998 Lange D, Klein E, Bender H, Niecke E, Nieger M, Pietschnig R, Schoeller WW, Ranaivonjatovo H. 1,3-Diphospha-2-silaallylic lithium complexes and anions: Synthesis, crystal structures, reactivity, and bonding properties Organometallics. 17: 2425-2432. DOI: 10.1021/Om9707937  0.642
1998 Schick G, Raab M, Gudat D, Nieger M, Niecke E. Synthesis and crystal structure of a P-hydridophosphoraniminato-zirconium complex and reaction to the first tris(hydrido)cyclotriphosphazene Angewandte Chemie - International Edition. 37: 2390-2392. DOI: 10.1002/(SICI)1521-3773(19980918)37:17<2390::AID-ANIE2390>3.0.CO;2-P  0.53
1998 Schmidt O, Fuchs A, Gudat D, Nieger M, Hoffbauer W, Niecke E, Schoeller WW. Valence isomerization in the solid state: From 1,3-diphosphacyclobutane-2,4-diyl to 1,2-dihydro-1,2-diphosphete Angewandte Chemie - International Edition. 37: 949-952. DOI: 10.1002/(SICI)1521-3773(19980420)37:7<949::AID-ANIE949>3.0.CO;2-H  0.418
1998 Schick G, Raab M, Gudat D, Nieger M, Niecke E. Synthese und Struktur einesP-Hydridophosphoraniminato-Zirconiumkomplexes und Reaktion zum ersten Tris(hydrido)cyclotriphosphazen Angewandte Chemie. 110: 2486-2488. DOI: 10.1002/(Sici)1521-3757(19980904)110:17<2486::Aid-Ange2486>3.0.Co;2-5  0.503
1998 Schmidt O, Fuchs A, Gudat D, Nieger M, Hoffbauer W, Niecke E, Schoeller W. Valenzisomerisierung im Festkörper: vom 1,3-Diphosphacyclobutan-2,4-diyl zum 1,2-Dihydro-1,2-diphosphet Angewandte Chemie. 110: 995-998. DOI: 10.1002/(Sici)1521-3757(19980403)110:7<995::Aid-Ange995>3.0.Co;2-D  0.496
1998 Ebels J, Pietschnig R, Kotila S, Dombrowski A, Niecke E, Nieger M, Schiffner HM. Bis(pentamethylcyclopentadienyl)-substituted phosphanes: Synthesis and structure European Journal of Inorganic Chemistry. 331-337. DOI: 10.1002/(Sici)1099-0682(199803)1998:3<331::Aid-Ejic331>3.0.Co;2-4  0.618
1997 Ruban A, Niecke E. Two convenient routes for the preparation of Bis[bis(trimethylsilyl)methylene](halgeno)-phosporanes Synthesis. 1013-1014. DOI: 10.1055/S-1997-1301  0.34
1997 Schinkels B, Ruban A, Nieger M, Niecke E. Synthesis, crystal structure and rearrangement of a methylene(ylene)-phosphorane containing a CH2-moiety at an sp2-hybridized phosphorus(v) centre Chemical Communications. 293-294. DOI: 10.1039/A607402B  0.304
1997 Issberner K, Niecke E, Wittchow E, Dötz KH, Nieger M. The 1-Phosphaallyl Anion as a Versatile Building Block in Reactions with Alkynes and Fischer-Type Alkynyltungsten Carbene Complexes† Organometallics. 16: 2370-2376. DOI: 10.1021/Om960984U  0.345
1997 Baumgartner T, Schinkels B, Gudat D, Nieger M, Niecke E. Lithium Phosphoranylidene Ylides Mes*-P(E)C(H)Li(THF)3(E = NMes*, C(SiMe3)2):  Synthesis, Crystal Structure, and Transmetalation Journal of the American Chemical Society. 119: 12410-12411. DOI: 10.1021/Ja9718127  0.647
1997 Poetschke N, Nieger M, Khan MA, Niecke E, Ashby MT. Synthesis and Crystal Structures of Lithium Salts of New Iminophosphide/Phosphinoamide Anions Inorganic Chemistry. 36: 4087-4093. DOI: 10.1021/Ic9700720  0.323
1997 Pietschnig R, Nieger M, Niecke E, Airola K. Ferrocenylbis(ylene) phosphoranes Journal of Organometallic Chemistry. 541: 237-242. DOI: 10.1016/S0022-328X(97)00066-1  0.633
1997 Pietschnig R, Niecke E, Nieger M, Airola K. Synthesis and reactivity of P-ferrocenylalkylidenephosphanes and related iminophosphanes and diphosphenes Journal of Organometallic Chemistry. 529: 127-133. DOI: 10.1016/S0022-328X(96)06482-0  0.639
1997 Gudat D, Niecke E. Simultaneous comparison of δ31P and 1JPN for the assignment of E/Z-stereochemistry of the phosphorus-nitrogen double bond in iminophosphines R-P=N-R′ Fresenius' Journal of Analytical Chemistry. 357: 482-484. DOI: 10.1007/S002160050196  0.486
1997 Ebels J, Pietschnig R, Nieger M, Niecke E, Kotila S. Syntheses and structure of bis(pentamethylcyclopentadienyl)-dithiophosphinato complexes Heteroatom Chemistry. 8: 521-525. DOI: 10.1002/(Sici)1098-1071(1997)8:6<521::Aid-Hc11>3.0.Co;2-T  0.569
1996 Niecke E, Pietschnig R. Ferrocene as Substituent in Organophosphorus Chemistry Phosphorus, Sulfur, and Silicon and the Related Elements. 111: 48-48. DOI: 10.1080/10426509608054677  0.575
1996 Schick G, Loew A, Nieger M, Niecke E. Aminobis(Diorganylamino)Phosphanes: Versatile Reagents in Hydridophosphazene Chemistry Phosphorus, Sulfur, and Silicon and the Related Elements. 111: 29-29. DOI: 10.1080/10426509608054658  0.337
1996 Dombrowski A, Nieger M, Niecke E. Synthesis of a 4-methylene-6-phosphabicyclo[1.1.0]hex-2-ene: A 1,4-dipole as a building block for novel phosphorus compounds containing the cyclopentadienyl skeleton Chemical Communications. 1705-1706. DOI: 10.1039/Cc9960001705  0.381
1996 Kramer B, Niecke E, Nieger M, Reed RW. Synthesis and X-ray structure of a novel 1,3-dioxo-2(σ4λ5)-4,5(σ 3λ3)-triphospholane: A (self-)trapping aryl-metaphosphonate Chemical Communications. 513-514. DOI: 10.1039/Cc9960000513  0.329
1996 Pietschnig R, Niecke E. Synthesis, spectroscopic properties, and reactivity of ferrocenyl(2,4,6-tri-tert-butylphenyl)diphosphene Organometallics. 15: 891-893. DOI: 10.1021/Om950384F  0.6
1996 Thelen V, Schmidt D, Nieger M, Niecke E, Schoeller WW. Synthesis, Structure, and Reactivity of a 2,3,4-Triphosphapentadienide Angewandte Chemie International Edition in English. 35: 313-315. DOI: 10.1002/Anie.199603131  0.329
1996 Thelen V, Schmidt D, Nieger M, Niecke E, Schoeller WW. Synthese, Struktur und Reaktivität eines 2,3,4-Triphosphapentadienids Angewandte Chemie. 108: 354-356. DOI: 10.1002/Ange.19961080322  0.345
1996 Gudat D, Niecke E, Ruban A, Von Der Gönna V. Influence of phosphorus substituents and double bond configuration on the nitrogen chemical shifts of bis(imino)phosphoranes: An experimental and quantum chemical study Magnetic Resonance in Chemistry. 34: 799-806. DOI: 10.1002/(Sici)1097-458X(199610)34:10<799::Aid-Omr974>3.0.Co;2-0  0.521
1995 Waltz M, Nieger M, Gudat D, Niecke E. Synthese, Struktur und Reaktivit�t eines 2,4-Diphosphino-1,3-diphospha-2,4-disilacyclobutans Zeitschrift F�R Anorganische Und Allgemeine Chemie. 621: 1951-1957. DOI: 10.1002/Zaac.19956211120  0.537
1995 Paasch K, Nieger M, Niecke E. A Simple Route to the 1‐Aza‐3‐Phosphaallyl System: Structure of a Dimeric Lithium Complex and Protonation to Give the First NH2‐Substituted Phosphaalkene Angewandte Chemie. 34: 2369-2371. DOI: 10.1002/Anie.199523691  0.337
1995 Niecke E, Becker P, Nieger M, Stalke D, Schoeller WW. Carbenoid or lithium complex of a carbanion? Synthesis and structure of (Me3Si)2C=P(aryl)=C(Cl)Li(thf)3 and LiCl elimination to give the phosphirene Angewandte Chemie (International Edition in English). 34: 1849-1852. DOI: 10.1002/Anie.199518491  0.369
1995 Niecke E, Fuchs A, Baumeister F, Nieger M, Schoeller WW. A P2C2 four-membered ring with unusual bonding - Synthesis, structure, and ring opening of a 1,3-diphosphacyclobutane-2,4-diyl Angewandte Chemie (International Edition in English). 34: 555-557. DOI: 10.1002/Anie.199505551  0.32
1995 Larbig M, Nieger M, Gönna Vvd, Ruban AV, Niecke E. Synthesis, Structure, and Reactivity of an Imido‐ and an Oxo(imido)phosphorane RP(X)NR (XNH, O; R = tBu3C6H2 Angewandte Chemie. 34: 460-462. DOI: 10.1002/Anie.199504601  0.304
1995 Niecke E, Becker P, Nieger M, Stalke D, Schoeller WW. Carbenoid oder Lithiumkomplex eines Carbanions? Synthese und Struktur von (Me3Si)2 C  P(Aryl)  C(Cl)Li(thf)3 sowie LiCl-Eliminierung zum Phosphiren Angewandte Chemie. 107: 2012-2015. DOI: 10.1002/Ange.19951071716  0.321
1994 Gudat D, Hoffbauer W, Niecke E, Schoeller WW, Fleischer U, Kutzelnigg W. Phosphorus-31 solid-state NMR study of iminophosphines: Influence of electronic Structure and configuration of the double bond on phosphorus shielding Journal of the American Chemical Society. 116: 7325-7331. DOI: 10.1021/Ja00095A041  0.563
1994 Niecke E, Frost M, Nieger M, Von Der Gönna V, Ruban A, Schoeller WW. Monomeric tris(imino)metaphosphates Angewandte Chemie (International Edition in English). 33: 2111-2113. DOI: 10.1002/Anie.199421111  0.338
1994 Niecke E, Nieger M, Wenderoth P. Diastereoselective reaction of a 1-phosphaallyl anion with an alkyne: Structure of an isolated dihydrophospholyl anion and stereospecific protonation to give 2,3-dihydrophosphole Angewandte Chemie (International Edition in English). 33: 1953-1955. DOI: 10.1002/Anie.199419531  0.335
1994 Schilbach W, Von Der Gönna V, Gudat D, Nieger M, Niecke E. Reactions of an iminophosphoranylidene carbenoid Angewandte Chemie (International Edition in English). 33: 982-983. DOI: 10.1002/Anie.199409821  0.523
1994 Niecke E, Nieger M, Wenderoth P. Phosphindolyl anions by elimination from 1-phosphoallyllithium complexes-η5 and η3 coordination of a phospholyl fragment Angewandte Chemie (International Edition in English). 33: 353-354. DOI: 10.1002/Anie.199403531  0.316
1994 Niecke E, Frost M, Nieger M, Von Der Gönna V, Ruban A, Schoeller WW. Monomere Tris(imino)metaphosphate Angewandte Chemie. 106: 2170-2172. DOI: 10.1002/Ange.19941062018  0.338
1994 Niecke E, Schilbach W, von der Gönna V, Gudat D, Nieger M. Reaktionen eines Iminophosphoranyliden-carbenoids Angewandte Chemie. 106: 1037-1039. DOI: 10.1002/Ange.19941060918  0.492
1993 Romanenko VD, Ruban AV, Roshenko AB, Povolotskii MI, Sarina TV, Gudat D, Niecke E. Reactions of Iminophosphanes with Chlorotris(triphenylphosphine)rhodium(I): Generation and NMR Identification of the First Iminophosphanerhodium(I) and Iminophosphanerhodium(III) Complexes Mendeleev Communications. 3: 7-8. DOI: 10.1070/Mc1993V003N01Abeh000194  0.568
1993 Niecke E, Nieger M, Wenderoth P. Synthesis and structural study of the first 1-phosphaallyl anion Journal of the American Chemical Society. 115: 6995-6996. DOI: 10.1021/Ja00068A073  0.347
1993 Niecke E, Kramer B, Nieger M, Severin H. Ringöffnungsreaktionen von azadiphosphiridinen Tetrahedron Letters. 34: 4627-4630. DOI: 10.1016/S0040-4039(00)60641-X  0.372
1993 Hitchcock PB, Matos RM, Meidine MF, Nixon JF, Trigo Passos BF, Barion D, Niecke E. Syntheses and NMR spectroscopic characterisation of transition metal complexes containing the azadiphosphetine ring system RP(NR′)PCR′ (R Et3C, R′tBu) Journal of Organometallic Chemistry. 461: 61-67. DOI: 10.1016/0022-328X(93)83274-Y  0.358
1993 Niecke E, Metternich H, Nieger M, Gudat D, Wenderoth P, Malisch W, Hahner C, Reich W. Methylenphosphanyl-Komplexe von Chrom, Molybdän, Wolfram, Eisen und Nickel: Synthese und Reaktionen Chemische Berichte. 126: 1299-1309. DOI: 10.1002/Cber.19931260606  0.485
1993 Ruban A, Nieger M, Niecke E. Synthesis and structure of bis(tri-tert-butylphenyl)-iminohalogenphosphoranes X-P(=NtBu3C6H2)2 Angewandte Chemie (International Edition in English). 32: 1419-1420. DOI: 10.1002/Anie.199314191  0.375
1993 Ruban A, Nieger M, Niecke E. Synthese und Struktur von Bis(tri-tert-butylphenyl)-iminohalogenphosphoranen XP(NtBu3C6H2)2 Angewandte Chemie. 105: 1544-1545. DOI: 10.1002/Ange.19931051042  0.379
1992 Streubel R, Niecke E, Nieger M. Three-Membered Phosphorus Heterocycles by Phosphanediyl Transfer-Reactions Phosphorus, Sulfur, and Silicon and the Related Elements. 65: 115-118. DOI: 10.1080/10426509208055332  0.567
1992 Metternich HJ, Niecke E, Nixon JF. Cyclisation of bis(methylene)phosphoranes: A new way to five-membered heterocycles Journal of the Chemical Society, Chemical Communications. 627-628. DOI: 10.1039/C39920000627  0.358
1992 Gudat D, Schiffner HM, Nieger M, Stalke D, Blake AJ, Grondey H, Niecke E. Coordination isomerism in pentamethylcyclopentadienyl-substituted iminophosphanes: from classical structures to a .pi.-complexed iminophosphenium ion Journal of the American Chemical Society. 114: 8857-8862. DOI: 10.1021/Ja00049A018  0.602
1992 Niecke E, Link M, Nieger M. Reversible [4 + 1]-Selbstaddition von Alkyl(arylimino)phosphanen und regioselektive Cycloaddition mit (E)- und (Z)-Azobenzol Chemische Berichte. 125: 2635-2640. DOI: 10.1002/Cber.19921251203  0.362
1992 Gudat D, Schiffner HM, Nieger M, Stalke D, Blake AJ, Grondey H, Niecke E. Coordination isomerism in pentamethylcyclopentadienyl-substituted iminophosphanes: From classical structures to a π-complexed iminophosphenium ion Journal of the American Chemical Society. 114: 8857-8862.  0.495
1991 Appel R, Gudat D, Niecke E, Nieger M, Porz C, Westermann H. Synthese und Struktur aminosubstituierter Tetraphosphetane Zeitschrift FüR Naturforschung. B, a Journal of Chemical Sciences. 46: 865-883. DOI: 10.18419/Opus-7960  0.544
1991 Appel R, Gudat D, Niecke E, Nieger M, Porz C, Westermann H. Synthesis and S tructure of Amino-Substituted Tetraphosphetanes | Synthese und Struktur aminosubstituierter Tetraphosphetane Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 46: 865-883. DOI: 10.1515/Znb-1991-0705  0.48
1991 Hein J, Niecke E. Reactions of (pentamethylcyclopentadienyl)di(carbonyl)(tri-2,4,6-tert- butylphenyl)iminophosphaneiron with electrophiles: Formation of metallophosphenium complexes Journal of the Chemical Society, Chemical Communications. 48-49. DOI: 10.1039/C39910000048  0.357
1991 Hein J, Niecke E, Meidine MF, Passos BFT, Nixon JF. Generation and spectroscopic characterization of the first chloro(2,4,6-tri-t-butylphenylimino)phosphine complexes Journal of the Chemical Society, Chemical Communications. 41-42. DOI: 10.1039/C39910000041  0.377
1991 Brombach H, Niecke E, Nieger M. Synthetic routes to the first P-metalated phosphiranes: synthesis and structure of (.eta.5-cyclopentadienyl)dicarbonyl[2,2,3-tris(trimethylsilyl)-1.lambda.3-phosphacyclopropyl]iron Organometallics. 10: 3949-3951. DOI: 10.1021/Om00058A002  0.31
1991 Hein J, Nieger M, Niecke E. The first azatriphosphapentadiene, stabilized on an iron center: Formation and X-ray structural characterization Organometallics. 10: 13-14. DOI: 10.1021/Om00047A008  0.329
1991 Metternich H, Niecke E, Nixon JF, Bartsch R, Hitchcock PB, Meidine MF. Notizen/Notes Synthese und Struktur von 2-Phosphonioallen-Komplexen Chemische Berichte. 124: 1973-1976. DOI: 10.1002/Cber.19911240914  0.366
1991 Niecke E, Altmeyer O, Nieger M. Synthesis, structure, and isomerization of the (E)- and (Z)-isomers of a diphosphene Angewandte Chemie (International Edition in English). 30: 1136-1138. DOI: 10.1002/Anie.199111361  0.318
1991 Metternich HJ, Niecke E. The first metallobis(methylene)phosphoranes-unexpected isomerization to a phosphaferrocene Angewandte Chemie (International Edition in English). 30: 312-313. DOI: 10.1002/Anie.199103121  0.329
1991 Niecke E, Gudat D. Iminophosphanes: Unconventional compounds of main group elements Angewandte Chemie (International Edition in English). 30: 217-237. DOI: 10.1002/Anie.199102173  0.537
1991 Niecke E, Streubel R, Nieger M. Formation of a trans-1,2,4,5-tetraphosphatricyclo-[3.1.0.02,4]hexane by [2+2] cyclodimerization of a 3H-diphosphirene Angewandte Chemie (International Edition in English). 30: 90-91. DOI: 10.1002/Anie.199100901  0.484
1991 Niecke E, Gudat D. Iminophosphane — unkonventionelle Hauptgruppenelement-Verbindungen Angewandte Chemie. 103: 251-270. DOI: 10.1002/Ange.19911030305  0.529
1991 Niecke E, Streubel R, Nieger M. trans-1,2,4,5-Tetraphosphatricyclo[3.1.0.02,4]hexan durch [2 + 2]-Cyclodimerisierung eines 3H-Diphosphirens Angewandte Chemie. 103: 103-105. DOI: 10.1002/Ange.19911030126  0.476
1990 Niecke E, Hein J, Nieger M. Reactions of chloro((tri-2,4,6-tert-butylphenyl)imino)phosphane with anionic transition-metal complexes: stable metalloiminophosphanes and evidence for terminal aminophosphinidene complexes [Erratum to document cited in CA111(13):115513x] Organometallics. 9: 3006-3006. DOI: 10.1021/Om00161A038  0.312
1990 Altmeyer O, Niecke E, Nieger M, Busch T, Schoeller WW, Stalke D. 1-Phosphinodiazaphosphene: Synthesis, crystal structure, and bonding properties Heteroatom Chemistry. 1: 191-194. DOI: 10.1002/Hc.520010212  0.311
1990 STREUBEL R, NIECKE E. ChemInform Abstract: Halogeno(silyl)phosphanes - Synthesis and Properties. Cheminform. 21. DOI: 10.1002/chin.199035228  0.463
1989 Gudat D, Nieger M, Niecke E. Synthesis, structure, and chemical reactivity of a stable C5Me5-substituted phosphanylium ion: (Pentamethylcyclopentadienyl)(t-butylamino)phosphanylium tetrachloroaluminate Journal of the Chemical Society, Dalton Transactions. 693-700. DOI: 10.1039/Dt9890000693  0.604
1989 Gudat D, Meidine MF, Nixon JF, Niecke E. Reaction of P-halogeno-phospha-alkenes with alkene complexes of nickel and platinum: η2-co-ordination and unusual oxidative addition behaviour Journal of the Chemical Society, Chemical Communications. 1206-1208. DOI: 10.1039/C39890001206  0.558
1989 Niecke E, Hein J, Nieger M. Reactions of chloro((tri-2,4.6-tert-butylphenyl)imino)phosphane with anionic transition-metal complexes: Stable metalloiminophosphanes and evidence for terminal aminophosphinidene complexes Organometallics. 8: 2290-2291. DOI: 10.1021/Om00111A039  0.366
1989 Hitchcock PB, Meidine MF, Nixon JF, Wang H, Gudat D, Niecke E. First examples of η1-ligated halogenophosphaalkenes. Crystal structures of trans-[RhCl(PPh3)2{η1-PXC(SiMe3)2}] (X = F or Cl) Journal of Organometallic Chemistry. 368: C29-C32. DOI: 10.1016/0022-328X(89)85322-7  0.488
1989 GUDAT D, NIEGER M, NIECKE E. ChemInform Abstract: Synthesis, Structure, and Chemical Reactivity of a Stable C5Me5-Substituted Phosphanylium Ion: (Pentamethylcyclopentadienyl)(t-butylamino)phosphanylium Tetrachloroaluminate. Cheminform. 20. DOI: 10.1002/chin.198928230  0.482
1989 Niecke E, Streubel R, Nieger M, Stalke D. Synthesis and structure of a 1H-diphosphirene Angewandte Chemie - International Edition in English. 28: 1673-1674. DOI: 10.1002/Anie.198916731  0.521
1989 Niecke E, Klein E, Nieger M. Synthesis, Structure, and Reactivity of a 1,3-Diphospha-2-silaallyl Anion Angewandte Chemie International Edition in English. 28: 751-752. DOI: 10.1002/Anie.198907511  0.351
1989 Niecke E, Kramer B, Nieger M. Synthesis, Structure, and Reactivity of Diphosphenes having acis-Configuration Angewandte Chemie International Edition in English. 28: 215-217. DOI: 10.1002/Anie.198902151  0.335
1989 Niecke E, Streubel R, Nieger M, Stalke D. Synthese und Struktur eines 1H-Diphosphirens Angewandte Chemie. 101: 1708-1710. DOI: 10.1002/Ange.19891011217  0.493
1989 Niecke E, Klein E, Nieger M. Synthese, Struktur und Reaktivität eines 1,3-Diphospha-2-silaallyl-Anions Angewandte Chemie. 101: 792-793. DOI: 10.1002/Ange.19891010631  0.349
1989 Niecke E, Kramer B, Nieger M. Synthese, Struktur und Reaktivität von Diphosphenen mit cis‐Konfiguration Angewandte Chemie. 101: 217-219. DOI: 10.1002/Ange.19891010229  0.338
1988 GUDAT D, NIECKE E, NIEGER M, PAETZOLD P. ChemInform Abstract: Reaction of tert-Butyl(tert-butylimino)phosphine with tert-Butyl(tert-butylimino)borane. Cheminform. 19. DOI: 10.1002/chin.198824276  0.493
1988 Gudat D, Niecke E, Nieger M, Paetzold P. Über die Reaktion vontert-Butyl(tert-butylimino)phosphan mittert-Butyl-(tert-butylimino)boran Chemische Berichte. 121: 565-568. DOI: 10.1002/Cber.19881210328  0.512
1988 Niecke E, Nieger M, Reichert F. Arylmino(halogeno)phosphanes XP?NC6H2tBu3 (X ? Cl, Br, I) and the Iminophosphenium Tetrachloroaluminate [P?NC6H2tBu3]?[AlCl4]?: the First Stable Compound with a PN Triple Bond Angewandte Chemie International Edition in English. 27: 1715-1716. DOI: 10.1002/Anie.198817151  0.338
1988 Niecke E, Nieger M, Reichert F, Schoeller WW. Synthesis, Structure and Bonding in the Donor-Acceptor Complex [tBu2PSe2]??[PNAryl]: En Route to the P?N Bond Angewandte Chemie International Edition in English. 27: 1713-1714. DOI: 10.1002/Anie.198817131  0.358
1987 Niecke E, Gudat D, Leuer M, Lysek M, Symalla E. Phosphorus Carbene and Olefine Analogues Phosphorous and Sulfur and the Related Elements. 30: 467-470. DOI: 10.1080/03086648708080621  0.569
1987 Gudat D, Niecke E. Transfer of a pentamethylcyclopentadienyl ligand from phosphorus to nickel: Generation and spectroscopic characterization of the first examples of metalloiminophosphanes [(η5-Me5C5)(R 3P)Ni-P=NBut] (R=Et, Bu, or Ph) Journal of the Chemical Society, Chemical Communications. 10-11. DOI: 10.1039/C39870000010  0.553
1987 Gudat D, Niecke E, Sachs W, Rademacher P. Zur Elektronenstruktur von Phosphor(III)-p-?-Bindungssystemen: UV- und PE-spektroskopische Untersuchungen an Methylenphosphanen vom Typ R?P?C(SiMe3)2 Zeitschrift F�R Anorganische Und Allgemeine Chemie. 545: 7-23. DOI: 10.1002/Zaac.19875450202  0.559
1987 GUDAT D, NIECKE E, SACHS W, RADEMACHER P. ChemInform Abstract: Electronic Structure of Phosphorus(III)-p-π-Bonded Systems: UV and PE Spectroscopic Investigation of Phosphaalkenes R-P=C(SiMe3)2 Cheminform. 18. DOI: 10.1002/chin.198733041  0.505
1987 NIECKE E, BOESKE J, GUDAT D, GUETH W, LYSEK M, SYMALLA E. ChemInform Abstract: Olefin, Carbene, and Nitrene Analogs in Phosphorus Systems Cheminform. 18. DOI: 10.1002/chin.198722341  0.438
1987 Niecke E, Altmeyer O, Nieger M, Knoll F. Ein 3,7-Diaza-1,2,4,5,6,8-hexaphosphatricyclo-[4.2.0.02,5]octan, ein [2+2]-Dimer eines 1,2-Dihydro-1-azatriphosphets mit planarer P4-Teilstruktur Angewandte Chemie. 99: 1299-1300. DOI: 10.1002/Ange.19870991220  0.308
1986 Gudat D, Niecke E, Krebs B, Dartmann M. Reaction of (pentamethylcyclopentadienyl)(tert-butylimino)-phosphane with tris(acetonitrile)tricarbonylmolybdenum(0): evidence for a metalloiminophosphane intermediate Organometallics. 5: 2376-2377. DOI: 10.1021/Om00142A034  0.635
1986 Gudat D, Niecke E, Arif AM, Cowley AH, Quashie S. Synthesis of a Phosphavinyl Complex via Shift of a Pentamethylcyclopentadienyl from Phosphorus to Iron Organometallics. 5: 593-595. DOI: 10.1021/Om00134A036  0.557
1986 Niecke E, Gudat D, Symalla E. Acid-Catalyzed Isomerization of the[2+ 1]-Cyclodimer of an Iminophosphane to the Diazadiphosphetidine Angewandte Chemie International Edition in English. 25: 834-835. DOI: 10.1002/Anie.198608341  0.491
1986 Niecke E, Gudat D, Symalla E. Säurekatalysierte Isomerisierung des [2+1]-Cyclodimers eines Iminophosphans zum Diazadiphosphetidin Angewandte Chemie. 98: 817-818. DOI: 10.1002/Ange.19860980913  0.501
1986 Gudat D, Niecke E, Krebs B, Dartmann M. Reaction of (pentamethylcyclopentadienyl)(tert-butylimino)-phosphane with tris(acetonitrile)tricarbonylmolybdenum(0): Evidence for a metalloiminophosphane intermediate Organometallics. 5: 2376-2377.  0.47
1986 Gudat D, Niecke E, Arlf AM, Cowley AH, Quashie S. Synthesis of a phosphavinyl complex via shift of a pentamethylcyclopentadienyl from phosphorus to iron Organometallics. 5: 593-595.  0.454
1985 Niecke E, Rüger R, Güth W. Secondary Aminophosphanes - Synthesis and Reactivity [1] | Sekundäre Aminophosphane — Synthese und Reaktivität [1] Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 40: 1049-1052. DOI: 10.1515/Znb-1985-0811  0.304
1985 Niecke E, Güth W, Lysek M. Untersuchungen am System primäres Aminophosphan/Tetrachlormethan bzw. Tetrachlorsilan / Investigations in the System Primary Aminophosphane/Tetrachloromethane, and Tetrachlorosilane, Respectively Zeitschrift FüR Naturforschung B. 40: 331-334. DOI: 10.1515/Znb-1985-0303  0.329
1985 Gudat D, Niecke E, Malisch W, Hofmockel U, Quashie S, Cowley AH, Arif AM, Krebs B, Dartmann M. Metallophospha-alkenes: A simple access and some reactivities involving the phosphorus atom Journal of the Chemical Society, Chemical Communications. 1687-1689. DOI: 10.1039/C39850001687  0.598
1985 Niecke E, Gudat D, Schoeller WW, Rademacher P. Phosphorus(III) double bond systems, carbene and alkene analogues. The electronic structure of imino- and methylene-phosphanes Journal of the Chemical Society - Series Chemical Communications. 1050-1051. DOI: 10.1039/C39850001050  0.547
1985 NIECKE E, BOESKE J, KREBS B, DARTMANN M. ChemInform Abstract: Λ5-DI- AND -TRIAZAPHOSPHOLINES - SYNTHESIS, ISOMERIZATION, AND DECOMPOSITION Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198550244  0.418
1985 Niecke E, Böske J, Krebs B, Dartmann M. λ5-Di- und -Triazaphospholene – Synthese, Isomerisierung und Zerfall Chemische Berichte. 118: 3227-3240. DOI: 10.1002/Cber.19851180822  0.536
1984 NIECKE E, LEUER M, WILDBREDT D, SCHOELLER WW. ChemInform Abstract: A STEREOSELECTIVE ROUTE FROM A DIHYDRO-1,2,4Λ3-DIAZAPHOSPHOLE TO A Λ3-PHOSPHIRANE VIA A BISMETHYLENEPHOSPHORANE INTERMEDIATE Chemischer Informationsdienst. 15. DOI: 10.1002/Chin.198408227  0.303
1983 NIECKE E, RUEGER R, KREBS B, DARTMANN M. ChemInform Abstract: PHOSPHAZENES WITH COORDINATION NUMBERS 2 AND 3. PART 24. AZATRIPHOSPHETIDINES S AS CYCLOTRIMERS OF AN IMINOPHOSPHANE - SYNTHESIS AND CRYSTAL STRUCTURE Chemischer Informationsdienst. 14. DOI: 10.1002/Chin.198345289  0.401
1983 Niecke E, R�ger R, Lysek M, Pohl S, Schoeller WW. Diaminodiphosphenes - Synthesis, Crystal Structure and Bonding Properties Angewandte Chemie International Edition in English. 22: 639-654. DOI: 10.1002/Anie.198306390  0.32
1983 Niecke E, Rüger R, Krebs B, Dartmann M. Azatriphosphetidines as Cyclotrimers of an Iminophosphane—Synthesis and Crystal Structure Angewandte Chemie International Edition in English. 22: 552-553. DOI: 10.1002/Anie.198305521  0.427
1983 Niecke E, Rüger R. Tetrakis(trimethylsilyl)diaminodiphosphene Angewandte Chemie. 22: 155-156. DOI: 10.1002/Anie.198301551  0.323
1982 Niecke E, Rüger R. Secondary Aminodiphosphanes - Synthesis, Configuration and Properties | Sekundäre Aminodiphosphane - Synthese, Konfiguration und Eigenschaften Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 37: 1593-1596. DOI: 10.1515/Znb-1982-1221  0.328
1982 Schoeller WW, Niecke E. Frontier orbital crossing and ambident reactivity in phosphorus (III) systems with (p-p) π-bonds Journal of the Chemical Society, Chemical Communications. 569-570. DOI: 10.1039/C39820000569  0.317
1982 NIECKE E, SCHWICHTENHOEVEL K, SCHAEFER H, KREBS B. ChemInform Abstract: PHOSPHAZENES OF COORDINATION NUMBER 2 AND 3. PART 22. SYNTHESIS, MOLECULAR STRUCTURE AND RING OPENING OF 1,2,3Λ3-DIAZAPHOSPHIRIDINS Chemischer Informationsdienst. 13. DOI: 10.1002/Chin.198209242  0.458
1982 Niecke E, Schäfer H. Synthese und Zerfall von λ3‐bzw. λ5‐Tetrazaphospholenen Chemische Berichte. 115: 185-200. DOI: 10.1002/Cber.19821150118  0.321
1982 Niecke E, Rüger R, Krebs B. The First Tetraphosphabicyclobutane Angewandte Chemie International Edition in English. 21: 544-545. DOI: 10.1002/Anie.198205442  0.439
1982 Niecke E, Rüger R. Bis(trimethylsilyl)aminophosphane Angewandte Chemie. 21: 62-62. DOI: 10.1002/Anie.198200621  0.339
1981 Niecke E, Nickloweit-Lüke A, Rüger R, Krebs B, Grewe H. l,2λ3, 3λ3-Azadiphosphiridines - Synthesis, Crystal Structure and Properties | 1.2λ3.3λ3-Azadiphosphiridine - Synthese, Kristallstruktur und Eigenschaften Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 36: 1566-1574. DOI: 10.1515/Znb-1981-1216  0.311
1981 Niecke E, Rüger R, Schoeller WW. tert-Butylimino-tert-butylphosphane: An Inorganic Carbene Analogue Angewandte Chemie International Edition in English. 20: 1034-1036. DOI: 10.1002/Anie.198110341  0.354
1981 Niecke E, Schwichtenhövel K, Schäfer H, Krebs B. 1,2,3λ3-Diazaphosphiridines—Synthesis, Molecular Structure and Ring Opening Angewandte Chemie International Edition in English. 20: 963-964. DOI: 10.1002/Anie.198109631  0.459
1981 Niecke E, Seyer A, Wildbredt D. Valence Isomerization of an Imino(methylene)phosphorane to a 1,2λ3-Azaphosphiridine: A Novel Rearrangement in the Phosphorus System Angewandte Chemie International Edition in English. 20: 675-677. DOI: 10.1002/Anie.198106751  0.332
1981 Niecke E, Rüger R, Schoeller WW. tert-Butylimino-tert-butylphosphan: Ein anorganisches Carben-Analogen Angewandte Chemie. 93: 1110-1112. DOI: 10.1002/Ange.19810931237  0.331
1981 Niecke E, Schwichtenhövel K, Schäfer H, Krebs B. 1,2,3λ3‐Diazaphosphiridine — Synthese, Molekülstruktur und Ringöffnung Angewandte Chemie. 93: 1033-1034. DOI: 10.1002/Ange.19810931134  0.497
1980 NIECKE E, ENGELMANN M, ZORN H, KREBS B, HENKEL G. ChemInform Abstract: PHOSPHAZENES WITH COORDINATION NUMBERS 2 AND 3. 19. COMPLEX STABILIZATION OF AN AMINOOXOPHOSPHINE (PHOSPHINIDENE OXIDE) Chemischer Informationsdienst. 11. DOI: 10.1002/Chin.198051257  0.365
1980 NIECKE E, ZORN H, KREBS B, HENKEL G. ChemInform Abstract: PHOSPHAZENES WITH COORDINATION NUMBERS 2 AND 3. 18. (R2NPO)3: A NEW HETEROCYCLE WITH Λ3 PHOSPHORUS BY TRIMERIZATION OF AN AMINOOXOPHOSPHINE Chemischer Informationsdienst. 11. DOI: 10.1002/Chin.198051242  0.383
1980 Niecke E, Wildbredt D. Untersuchungen am System Iminophosphan/Diazoalkan: Iminomethylenphosphorane und ihre Additionsprodukte Chemische Berichte. 113: 1549-1565. DOI: 10.1002/Cber.19801130434  0.357
1980 Niecke E, Engelmann M, Zorn H, Krebs B, Henkel G. Complex-Stabilization of an Aminooxophosphane(Phosphinidene Oxide) Angewandte Chemie International Edition in English. 19: 710-712. DOI: 10.1002/Anie.198007101  0.417
1980 Niecke E, Zorn H, Krebs B, Henkel G. (R2NPO)3: A Novel Heterocycle withλ3-Phosphorus by Trimerization of an Aminooxophosphane Angewandte Chemie International Edition in English. 19: 709-710. DOI: 10.1002/Anie.198007091  0.469
1980 Niecke E, Engelmann M, Zorn H, Krebs B, Henkel G. Komplex-Stabilisierung eines Aminooxophosphans (Phosphinidenoxids) Angewandte Chemie. 92: 738-739. DOI: 10.1002/Ange.19800920912  0.421
1980 Niecke E, Zorn H, Krebs B, Henkel G. (R2NPO)3: Ein neuartiger Heterocyclus mit λ3-Phosphor durch Trimerisierung eines Aminooxophosphans Angewandte Chemie. 92: 737-738. DOI: 10.1002/Ange.19800920911  0.428
1979 Niecke E, Kröher R. Synthesis and Addition Reactions of l, 3, 2/.2, 4-Diazaphosphoniaaluminatacyclobutanes [1] | Synthese und Additionsreaktionen von 1.3.2λ2.4-Diazaphosphoniaaluminatacyclobutanen [1] Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 34: 837-842. DOI: 10.1515/Znb-1979-0615  0.32
1978 Pohl S, Niecke E, Schäfer H. Structure of the 1:1 Adduct of Aminoiminophosphane andtert-Butyl Azide Angewandte Chemie International Edition in English. 17: 136-136. DOI: 10.1002/Anie.197801361  0.307
1977 Niecke E, Ringel G. Synthese eines sekundären Aminophosphans Angewandte Chemie. 89: 501-502. DOI: 10.1002/Ange.19770890734  0.338
1976 NIECKE E, FLICK W, POHL S. ChemInform Abstract: STUDIES ON PHOSPHAZENES WITH COORDINATION NUMBER 2 AND 3. 9. A PHOSPHORUS(III) DERIVATIVE WITH STERICALLY FIXED BIS(TRIMETHYLSILYL)AMINO GROUPING Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/Chin.197630286  0.311
1976 NIECKE E, BITTER W. ChemInform Abstract: REACTION OF AN N-SILYLATED IMINOPHOSPHINE (PHOSPHA(III)AZENE) WITH HALOGEN COMPOUNDS OF ELEMENTS OF MAIN GROUPS IV AND VII Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/Chin.197614247  0.309
1976 Niecke E, Kröher R. 1,3,2λ2,4-Diazaphosphoniaaluminatacyclobutane: A Cyclic Zwitterion Having Twofold Coordinated Phosphorus Angewandte Chemie International Edition in English. 15: 692-693. DOI: 10.1002/Anie.197606921  0.334
1975 Niecke E, Flick W. 1,2-Cycloaddition Reactions of ?Phosphazenes? Having an Unusual Coordination Number: ?5-Phosphirane and 1,2 ?5-Azaphosphiridine Angewandte Chemie International Edition in English. 14: 363-364. DOI: 10.1002/Anie.197503632  0.309
1975 Pohl S, Niecke E, Krebs B. Phosphorus(V) Having Trigonal Planar Coordination Angewandte Chemie International Edition in English. 14: 261-261. DOI: 10.1002/Anie.197502611  0.436
1974 Niecke E, Flick W. A Phosphorus(V) Derivative Having Coordination Number 3: Bis(trimethylsilyl)aminobis(trimethylsilylimino)phosphorane Angewandte Chemie International Edition in English. 13: 134-135. DOI: 10.1002/Anie.197401341  0.302
1971 Niecke E, Thamm H, Glemser O. Fluorocyclotriphosphazenes of the Type P3N3F5X (X = CH3, CHCH2, SCH3, SC6H5, OCH3, OC2H5, OC6H5) | Fluorcyclotriphosphazene vom Typ P3N3F5X Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 26: 366-367. DOI: 10.1515/Znb-1971-0423  0.361
1969 Niecke E, Glemser O, Roesky HW. Notizen: Äthylmercaptofluortriphosphazene Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 24: 1187-1188. DOI: 10.1515/znb-1969-0919  0.386
1969 Glemser O, Niecke E, Roesky HW. Alkylaminopentafluorophosphazines Journal of the Chemical Society D: Chemical Communications. 282a. DOI: 10.1039/C2969000282a  0.386
1968 Glemser O, Niecke E. Darstellung von Difluorthiophosphoryltrimethylsilyl-carbodiimid Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 23: 743-745. DOI: 10.1515/Znb-1968-0534  0.365
1968 Müller A, Niecke E, Krebs B, Glemser O. Schwingungsspektren und Thermodynamische Funktionen von PF3, PCl3, PBr3, PJ3, PF2Cl, PF2Br, PF2J, PFCl2, PFBr2, PCl2Br, PCl2J, PClBr2, PClJ2, PBrJ2, PBr2J, PFClBr, AsCl2Br und AsClBr2 Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 23: 588-594. DOI: 10.1515/Znb-1968-0503  0.574
1968 Müller A, Niecke E, Krebs B. Chemical shifts δ19F and δ31P of boron, phosphorus (III), phosphoryl and thiophosphoryl halides Molecular Physics. 14: 591-594. DOI: 10.1080/00268976800100731  0.322
1967 M�ller A, Niecke E, Glemser O. IR-Spektren,19F- und31P-Kernresonanzspektren von OPF2Br und OPFBr2 Zeitschrift F�R Anorganische Und Allgemeine Chemie. 350: 246-255. DOI: 10.1002/Zaac.19673500505  0.377
1967 Glemser O, Niecke E, Stenzel J. N-(Cyano)Phenylphosphonimidic Difluoride andN-(Cyano)diphenylphosphinimidic Fluoride Angewandte Chemie International Edition in English. 6: 709-710. DOI: 10.1002/anie.196707092  0.361
1966 M�ller A, Glemser O, Niecke E. Infrarot-Spektren von OPF2Cl und OPFCl2 Zeitschrift F�R Anorganische Und Allgemeine Chemie. 347: 275-281. DOI: 10.1002/Zaac.19663470508  0.403
1966 Glemser O, Niecke E, Müller A. Preparation of Carbonyl(chlorodifluorophosphine)nickel Complexes Angewandte Chemie International Edition in English. 5: 583-583. DOI: 10.1002/Anie.196605832  0.529
1966 Glemser O, Niecke E, Müller A. Darstellung von Chlordifluorphosphin-carbonylnickel-Komplexen Angewandte Chemie. 78: 593-593. DOI: 10.1002/Ange.19660781113  0.471
Low-probability matches (unlikely to be authored by this person)
1973 Niecke E, Flick W. [Bis(trimethylsilyl)amino][(trimethylsilyl)imino]phosphane, a Phosphazene with Tervalent Phosphorus Angewandte Chemie International Edition in English. 12: 585-586. DOI: 10.1002/Anie.197305851  0.3
1988 Niecke E, Nieger M, Reichert F. Arylimino(halogen)phosphane XPNC6H2tBu3 (X = Cl, Br, I) und das Iminophosphenium-tetrachloroaluminat [PNC6H2tBu3][AlCl4] – die erste stabile Verbindung mit einer PN-Dreifachbindung Angewandte Chemie. 100: 1781-1782. DOI: 10.1002/Ange.19881001220  0.298
1987 Boeske J, Ocando-Mavarez E, Niecke E, Majoral JP, Bertrand G. Synthesis and electrocyclic ring opening of 1,3,2.lambda.3,4.lambda.5-diazadiphosphetenes Journal of the American Chemical Society. 109: 2822-2823. DOI: 10.1021/Ja00243A044  0.297
1982 Niecke E, Nickloweit-Lüke A, Rüger R. SYNTHESIS OF CYCLIC SECONDARY AMINOPHOSPHANES Phosphorus and Sulfur and the Related Elements. 12: 213-215. DOI: 10.1002/Chin.198226243  0.296
2000 Blättner M, Nieger M, Ruban A, Schoeller W, Niecke E. Synthese des Adduktes DMAP⋅PBr(=NMes*)2 und des Salzes [(DMAP)2P(=NMes*)2]+Br− Angewandte Chemie. 112: 2876-2879. DOI: 10.1002/1521-3757(20000804)112:15<2876::Aid-Ange2876>3.0.Co;2-4  0.296
2002 Raab M, Sundermann A, Schick G, Nieger M, Schoeller WW, Niecke E. NH-phosphanylamido- and PH-phosphoraneiminato transition-metal complexes: Syntheses, structures and computational studies Phosphorus, Sulfur and Silicon and Related Elements. 177: 2153-2154. DOI: 10.1021/Om000967B  0.295
1995 Paasch K, Nieger M, Niecke E. Ein einfacher Weg zum 1-Aza-3-phosphaallyl-System: Struktur eines dimeren Lithium-komplexes und Protonierung zum ersten NH2-substituierten Phosphaalken Angewandte Chemie. 107: 2600-2602. DOI: 10.1002/Ange.19951072123  0.295
1977 Niecke E, Ringel G. Synthesis of a Secondary Aminophosphane Angewandte Chemie International Edition in English. 16: 486-487. DOI: 10.1002/Anie.197704862  0.294
1986 Boeske J, Niecke E, Ocando-Mavarez E, Majoral JP, Bertrand G. Phosphonitriles: versatile intermediates Inorganic Chemistry. 25: 2695-2698. DOI: 10.1002/Chin.198649241  0.293
1982 Keat R, Niecke E, Rycroft DS, Schäfer HG, Zorn H. The Nuclear Magnetic Resonance Spectra of Geometrical Isomers of 2,4-Difluoro-l,3-di-t-butylcyclodiphosph(III)azane Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 37: 1665-1666. DOI: 10.1515/Znb-1982-1234  0.293
1981 Niecke E, Wildbredt DA. Methylenethioxophosphoranes and l,2-λ5-thiaphosphirans Journal of the Chemical Society - Series Chemical Communications. 72-73. DOI: 10.1039/C39810000072  0.291
1981 NIECKE E, SCHOELLER W, WILDBREDT D. ChemInform Abstract: NITROGEN ELIMINATION OF A (3 + 2)-CYCLOADDUCT FROM DIAZOALKANE AND AMINO(METHYLENE)PHOSPHINE TO A Λ3-PHOSPHIRANE Chemischer Informationsdienst. 12. DOI: 10.1002/Chin.198119261  0.291
1983 Niecke E, Leuer M, Wildbredt DA, Schoeller WW. A stereoselective route from a dihydro-1,2,4λ3-diazaphosphole to a λ3-phosphirane via a bismethylenephosphorane intermediate Journal of the Chemical Society - Series Chemical Communications. 1171-1172. DOI: 10.1039/C39830001171  0.291
1974 Niecke E, Flick W. Ein Phosphor(V)-Derivat Der Koordinationszahl 3, Bis-(Trimethylsilyl)-Amino-Bis-(Trimethylsilylimino)-Phosphoran Cheminform. 5. DOI: 10.1002/Chin.197416357  0.291
1974 Niecke E, Flick W. Ein Phosphor(v)-Derivat der Koordinationszahl 3: Bis(trimethylsily)amino-bis(trimethylsilylimino)-phosphoran Angewandte Chemie. 86: 128-129. DOI: 10.1002/Ange.19740860310  0.286
2004 Sebastian M, Nieger M, Szieberth D, Nyulászi L, Niecke E. Synthesis and structure of a 1,3-diphosphacyclobutadienediide: an aniomesolytic fragmentation of a 1,3-diphosphetane-2,4-diyl in solution. Angewandte Chemie (International Ed. in English). 43: 637-41. PMID 14743426 DOI: 10.1002/Anie.200352746  0.286
1981 Niecke E, Seyer A, Wildbredt D. Valenzisomerisierung eines Imino(methylen)phosphorans zu einem 1,2λ3-Azaphosphiridin: Eine neuartige Umlagerung im Phosphorsystem Angewandte Chemie. 93: 687-688. DOI: 10.1002/Ange.19810930813  0.285
1973 Niecke E, Flick W. Bis(Trimethylsilyl)Amino-Trimethylsilyliminophosphan, Ein Phosphazen Mit Dreibindigem Phosphor Cheminform. 4. DOI: 10.1002/Chin.197338278  0.283
1994 Niecke E, Nieger M, Wenderoth P. Diastereoselektive Reaktion eines 1-Phosphaallyl-Anions mit einem Alkin — Struktur eines isolierten Dihydrophospholyl-Anions und stereospezifische Protonierung zum 2,3-Dihydrophosphol Angewandte Chemie. 106: 2045-2046. DOI: 10.1002/Ange.19941061920  0.282
1976 Niecke E, Flick W, Pohl S. A Phosphorus(III) Derivative with Sterically Fixed Bis(trimethylsilyl)amino Groups Angewandte Chemie International Edition in English. 15: 309-310. DOI: 10.1002/Anie.197603091  0.281
1998 Cloke FGN, Hitchcock PB, Hunnable P, Nixon JF, Nyulászi L, Niecke E, Thelen V. Das erste delokalisierte Phosphol mit planar dreifach koordiniertem Phosphor- atom: 1-[Bis(trimethylsilyl)methyl]- 3,5-bis(trimethylsilyl)-1,2,4-triphosphol Angewandte Chemie. 110: 1139-1142. DOI: 10.1002/(Sici)1521-3757(19980420)110:8<1139::Aid-Ange1139>3.0.Co;2-N  0.281
1976 Niecke E, Flick W, Pohl S. Ein Phosphor(III)-Derivat mit sterisch fixierter Bis(trimethylsilyl)amino-Gruppierung Angewandte Chemie. 88: 305-306. DOI: 10.1002/Ange.19760880916  0.281
1997 Pötschke N, Nieger M, Niecke E, Røe J, Rissanen K, Shi W, Styring S, Tommos C, Warncke K, Wood BR. Crystal Structure Of 1,1,1,3,3,3-Hexafluoro-2-Propanyloxy-(2,4,6-Tri-Tert-Butylphenylimino)Phosphine Acta Chemica Scandinavica. 51: 337-339. DOI: 10.3891/Acta.Chem.Scand.51-0337  0.278
1993 Bender HRG, Niecke E, Nieger M. The first x-ray structure of a phosphasilene: 1,3,4-triphospha-2-sila-1-butene Journal of the American Chemical Society. 115: 3314-3315. DOI: 10.1021/Ja00061A034  0.278
1991 Niecke E, Altmeyer O, Nieger M. Synthese, Struktur und Isomerisierung der (E)- und (Z)-Isomere eines Diphosphens Angewandte Chemie. 103: 1158-1159. DOI: 10.1002/Ange.19911030919  0.276
1995 Larbig M, Nieger M, von der Gönna V, Ruban AV, Niecke E. Synthese, Struktur und Reaktivität von RP(= X)=NR (X = NH, O; R =tBu3C6H2), einem Imido- bzw. Oxo(imino)phosphoran Angewandte Chemie. 107: 505-507. DOI: 10.1002/Ange.19951070418  0.274
1975 Niecke E, Bitter W. 1,3,2,4-Diazaphosphaboretidines: A Four-Membered Boron-Nitrogen-Phosphorus Heterocycle Angewandte Chemie International Edition in English. 14: 56-57. DOI: 10.1002/Anie.197500561  0.273
1999 Niecke E, Fuchs A, Nieger M. Valenzisomerisierung eines 1,3-Diphosphacyclobutan-2,4-diyls: photochemischer Ringschluß zum 2,4-Diphosphabicyclo[1.1.0]butan und dessen thermische Ringöffnung zumgauche-1,4-Diphosphabutadien Angewandte Chemie. 111: 3213-3216. DOI: 10.1002/(Sici)1521-3757(19991018)111:20<3213::Aid-Ange3213>3.0.Co;2-L  0.273
1991 Metternich HJ, Niecke E. Die ersten Metallobis(methylen)phosphorane - unerwartete Isomerisierung zu einem Phosphaferrocen Angewandte Chemie. 103: 336-337. DOI: 10.1002/Ange.19911030326  0.272
1994 David G, Niecke E, Nieger M, Radseck J, Schoeller WW. Donor stabilization, transfer reactions, and bonding properties of a methylenediylphosphenium ion Journal of the American Chemical Society. 116: 2191-2192. DOI: 10.1021/Ja00084A088  0.272
1977 Niecke E, Kröher R, Pohl S. Four-Membered Phosphorus-Nitrogen-Metal Heterocycles with Zwitterionic Structure Angewandte Chemie International Edition in English. 16: 864-865. DOI: 10.1002/Anie.197708641  0.272
1987 Ocando-mavarez E, Böske J, Niecke E, Majoral J, Bertrand G. Phosphonitriles: Powerful Intermediates in Heterocyclic Chemistry Phosphorus and Sulfur and the Related Elements. 30: 797-797. DOI: 10.1080/03086648708079289  0.268
1975 NIECKE E, BITTER W. ChemInform Abstract: 1,3,2,4-DIAZAPHOSPHABORETIDINE, EIN VIERGLIEDRIGER BOR-STICKSTOFF-PHOSPHOR-HETEROCYCLUS Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197509329  0.267
1994 Niecke E, Nieger M, Wenderoth P. Phosphindolyl-Anionen durch Eliminierung aus 1-Phosphaallyllithium-Komplexen-η5-und η3-Koordination eines Phospholylfragments Angewandte Chemie. 106: 362-363. DOI: 10.1002/Ange.19941060329  0.267
1978 Niecke E, Wildbredt DA. Novel Diylides Containing Tricoordinate Phosphorus Angewandte Chemie International Edition in English. 17: 199-200. DOI: 10.1002/Anie.197801991  0.264
1977 Niecke E, Schäfer H. An Imino-Bridged Triaza-λ5-phosphetine† Angewandte Chemie. 16: 783-783. DOI: 10.1002/Anie.197707831  0.263
1975 NIECKE E, FLICK W. ChemInform Abstract: 1,2-CYCLOADDITIONSREAKTIONEN AN ′PHOSPHAZENEN′ MIT UNGEWOEHNLICHER KOORDINATIONSZAHL, LAMBDA(5)-PHOSPHIRAN UND 1,2LAMBDA(5)-AZAPHOSPHIRIDIN Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197526324  0.263
1988 Niecke E, Nieger M, Reichert F, Schoeller WW. Synthese, Struktur und Bindungsverhältnisse im Donor-Acceptor-Komplex [tBu2PSe2] · [PNAryl] – auf dem Weg zur PN-Bindung Angewandte Chemie. 100: 1779-1780. DOI: 10.1002/Ange.19881001219  0.263
1988 Niecke E, Altmeyer O, Nieger M. A 1,2,3-triphosphabicyclo[1.1.0]butane and its [2 + 2]cycloaddition product with transient 1,2,3-triphosphabutadiene Journal of the Chemical Society, Chemical Communications. 945-946. DOI: 10.1039/C39880000945  0.262
1978 Niecke E, Wildbredt DA. Neuartige Diylide mit Phosphor der Koordinationszahl 3 Angewandte Chemie. 90: 209-210. DOI: 10.1002/Ange.19780900311  0.261
2006 Niecke E, Rüger R, Lysek M, Pohl S, Schoeller W. Diaminodiphosphene — Synthese, Kristallstruktur und Bindungsverhältnisse Angewandte Chemie. 95: 495-496. DOI: 10.1002/Ange.19830950606  0.259
1995 Niecke E, Fuchs A, Baumeister F, Nieger M, Schoeller WW. Ein P2C2-Vierring mit ungewöhnlicher Bindungssituation – Synthese, Struktur und Ringöffnung eines 1,3-Diphosphacyclobutan-2,4-diyls Angewandte Chemie. 107: 640-642. DOI: 10.1002/Ange.19951070523  0.259
2002 Boelsen CKG, Nieger M, Schoeller WW, Zenneck U, Niecke E. From a phosphanomethanide to the methylenephosphonium ion: X-ray structures, electron transfer and computational studies Phosphorus, Sulfur and Silicon and Related Elements. 177: 2015. DOI: 10.1080/10426500213405  0.258
1981 Niecke E, Seyer A, Wildbredt D-. Valence Isomerization Of An Imino(Methylene)Phosphorane To A 1,2Λ3-Azaphosphiridine: A New Type Of Rearrangement In The Phosphorus System Cheminform. 12. DOI: 10.1002/Chin.198144251  0.258
1976 Niecke E, Kröher R. 1,3,2λ2,4-Diazaphosphoniaaluminatacyclobutan: Ein cyclisches Zwitterion mit zweifach koordiniertem Phosphor Angewandte Chemie. 88: 758-759. DOI: 10.1002/Ange.19760882206  0.256
2010 WESTERMANN H, NIEGER M, NIECKE E. ChemInform Abstract: Synthesis and Structure of Bis(bis(diisopropylamino)phosphino) chalcogenides. Cheminform. 22: no-no. DOI: 10.1002/chin.199114218  0.25
1992 Becker P, Brombach H, David G, Leuer M, Metternich H, Niecke E. Bis(methylen)phosphorane — Synthese, spektroskopische Untersuchungen und thermische Isomerisierungen zu λ3-Phosphiranen Chemische Berichte. 125: 771-782. DOI: 10.1002/cber.19921250404  0.249
1981 Niecke E, Schoeller WW, Wildbredt D. N2-Elimination from a [3 + 2]-Cycloadduct of Diazoalkane and Amino(methylene)phosphane to give a ?3-Phosphirane Angewandte Chemie International Edition in English. 20: 131-132. DOI: 10.1002/Anie.198101311  0.249
1989 Busch T, Schoeller WW, Niecke E, Nieger M, Westermann H. Unusual bonding in a main-group multiple-bonded system: Umbrella-shaped diphosphenes Inorganic Chemistry. 28: 4334-4340. DOI: 10.1021/Ic00323A011  0.246
2010 HEIN J, GAERTNER-WINKHAUS C, NIEGER M, NIECKE E. ChemInform Abstract: Reactions of a P-Chloroiminophosphane with Main Group Nucleophiles: Syntheses and X-Ray Crystal Structure Analyses of Two 1,3- Diphosphatetraz-3-ene Derivatives. Cheminform. 23: no-no. DOI: 10.1002/chin.199205219  0.245
1975 Niecke E, Flick W. 1,2‐Cycloadditionsreaktionen an „Phosphazenen”︁ mit ungewöhnlicher Koordinationszahl: λ5‐Phosphiran und 1,2λ5‐Azaphosphiridin Angewandte Chemie. 87: 355-356. DOI: 10.1002/Ange.19750870917  0.245
1996 Schoeller WW, Strutwolf J, Niecke E. Orbital Isomerism in the 1.3-Dphosphacyclobutane-2.4-Diyl, Quantum Chemical Investigations at MCSCF Level Phosphorus Sulfur and Silicon and the Related Elements. 111: 42-42. DOI: 10.1080/10426509608054671  0.245
1995 Paasch K, Nieger M, Niecke E. A simple route to the 1-aza-3-phosphaallyl system: Structure of a dimeric lithium complex and protonation to give the first NH2-substituted phosphaalkene Angewandte Chemie (International Edition in English). 34: 2369-2371.  0.245
1992 Metternich HJ, Niecke E, Nixon JF. Dimerization of metastable metallo-methylenephosphanes to dimetalla-diphosphabicyclobutane and metallo-diphosphacyclohexenone derivatives Journal of the Chemical Society, Chemical Communications. 232-233. DOI: 10.1039/C39920000232  0.244
1994 Bender HRG, Niecke E, Nieger M, Westermann H. Synthese, Struktur und Reaktivit�t von Bis(dialkylamino)diphosphanen Zeitschrift F�R Anorganische Und Allgemeine Chemie. 620: 1194-1202. DOI: 10.1002/zaac.19946200712  0.244
1975 Niecke E, Bitter W. 1,3,2,4-Diazaphosphaboretidine: Ein viergliedriger Bor-Stickstoff-Phosphor-Heterocyclus Angewandte Chemie. 87: 34-35. DOI: 10.1002/Ange.19750870106  0.243
1991 Westerman H, Nieger M, Niecke E. Synthese und Struktur von Bis[bis(diisopropylamino)phosphino]chalkogeniden Chemische Berichte. 124: 13-16. DOI: 10.1002/cber.19911240103  0.241
2010 BENDER HRG, NIEGER M, NIECKE E. ChemInform Abstract: Synthesis of Amino- and Silyl-Substituted Triphosphines - Structure of 1,1,3,3-Tetrakis(di-iso-propylamino)-2-trimethylsilyl- and 1,1,3,3- Tetraphenyl-2-tri-iso-propylsilyl-triphosphine. Cheminform. 25: no-no. DOI: 10.1002/chin.199413205  0.241
2008 Waltz M, Nieger M, Niecke E. Synthesis, Reactivity, and Molecular Structure of Diphosphadisilacyclobutanes, Bis(stannyl)silyl-, and Bis(stannyl)germylphosphines Organosilicon Chemistry I: From Molecules to Materials. 209-214. DOI: 10.1002/9783527620777.ch27a  0.241
1987 Niecke E, Altmeyer O, Nieger M, Knoll F. A 3,7-Diaza-l,2,4,5,6,8-hexaphosphatricyclo-[4.2.0.02,5]octane, a[2+ 2] Dimer of a 1,2-Dihydro-l-azatriphosphete containing a Planar P4 Substructure Angewandte Chemie International Edition in English. 26: 1256-1257. DOI: 10.1002/Anie.198712561  0.241
2006 Niecke E, Schoeller WW, Wildbredt D. N2‐Eliminierung eines [3 + 2]‐Cycloadduktes aus Diazoalkan und Amino(methylen)phosphan zu einem λ3‐Phosphiran Angewandte Chemie. 93: 119-120. DOI: 10.1002/Ange.19810930134  0.24
2005 Sebastian M, Hoskin A, Nieger M, Nyulászi L, Niecke E. Cyclic bis(phosphanyl)carbenium ion by protonation of a 1,3-diphosphacyclobutane-2,4-diyl. Angewandte Chemie (International Ed. in English). 44: 1405-8. PMID 15674990 DOI: 10.1002/Anie.200462032  0.24
1993 Niecke E, Nixon JF, Wenderoth P, Passos BFT, Nieger M. Reactions of halogen(2,4,6-tri-tert-butylphenylimino)phosphine complexes with electrophiles and nucleophiies: Abstraction or substitution of the halogen Journal of the Chemical Society, Chemical Communications. 846-848. DOI: 10.1039/C39930000846  0.238
1986 Schoeller WW, Staemmler V, Rademacher P, Niecke E. Theoretical-Studies On Inorganic Ring-Systems - Tetraphosphabicyclobutane, Cyclotriphosphane, And White Phosphorus - Ring Strain And Hybridization Inorganic Chemistry. 25: 4382-4385. DOI: 10.1021/Ic00244A020  0.238
1977 Niecke E, Schäfer H. Ein imino-überbrücktes Triaza-λ5-phosphetin† Angewandte Chemie. 89: 817-818. DOI: 10.1002/Ange.19770891109  0.235
2010 DAVID G, NIECKE E, NIEGER M, VON DER GOENNA V, SCHOELLER WW. ChemInform Abstract: (n + 2) Cycloaddition Reactions of the (Arylimino)phosphenium Ion, (P. tplbond.NAr)+ - Cationic PN Heterocycles with Unusual Structure and Bonding Situation Cheminform. 25: no-no. DOI: 10.1002/chin.199424203  0.235
2010 METTERNICH H, NIECKE E, NIXON JF, BARTSCH R, HITCHCOCK PB, MEIDINE MF. ChemInform Abstract: Synthesis and Structure of 2-Phosphonioallene Complexes. Cheminform. 22: no-no. DOI: 10.1002/chin.199148219  0.235
1989 NIECKE E, KLEIN E, NIEGER M. ChemInform Abstract: Synthesis, Structure and Reactivity of a 1,3-Diphospha-2-silaallyl Anion. Cheminform. 20. DOI: 10.1002/chin.198933239  0.235
1997 Lajunen M, Setälä J, Niecke E, Røe J, Rissanen K, Shi W, Styring S, Tommos C, Warncke K, Wood BR. Application of the Excess Acidity Method to the Acid-Catalyzed Hydrolysis of Isopropyl Phenyl Ether at Different Temperatures. Acta Chemica Scandinavica. 51: 334-336. DOI: 10.3891/Acta.Chem.Scand.51-0334  0.233
1996 Ebels J, Dombrowski A, Schiffner H, Nieger M, Niecke E. Bis(Pentamethylcyclopentadienyl)-Substituted Phosphanes and Phosphoranes Phosphorus, Sulfur, and Silicon and the Related Elements. 111: 185-185. DOI: 10.1080/10426509608054814  0.23
1989 Westermann H, Nieger M, Niecke E, Majoral JP, Caminade AM, Mathieu R, Irmer E. Versatile behavior of hydrido monometallic or heterobimetallic carbonyl anions toward dichlorophosphines and 1,1-dichlorodiphosphines Organometallics. 8: 244-249. DOI: 10.1021/Om00103A033  0.229
1999 Thelen V, Nieger M, Niecke E. Novel Heteróllylic Anions and their Vinylogues: Synthesis, Structure and Reactivity Phosphorus, Sulfur, and Silicon and the Related Elements. 147: 407-407. DOI: 10.1080/10426509908053683  0.227
1975 Pohl S, Niecke E, Krebs B. Phosphor(V) mit trigonal-planarer Koordination Angewandte Chemie. 87: 284-285. DOI: 10.1002/Ange.19750870805  0.225
1993 Bender HRG, Nieger M, Niecke E. Synthesis of Amino-and Silyl-Substituted Triphosphines – Structure of 1.1.3.3-Tetrakis(di-sio-propylamino)-2-trimethylsilyl- and 1.1.3.3-Tetraphenyl-2-tri-iso-propylsilyl-triphosphine | Synthese amino- und silylsubstituierter Triphosphane – Struktur des 1.1.3.3-Tetrakis(di-iso-propylamino)-2-trimethylsilyl-und des 1.1.3.3-Tetraphenyl-2-tri-iso-propylsilyl-triphosphans Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 48: 1742-1752. DOI: 10.1515/znb-1993-1209  0.223
1998 Ruban A, Nieger M, Niecke E. Synthesis and Crystal Structures of P-Halogeno(imino)methylenephosphoranes X-P(=NtBu3C6H2)=C(SiMe3)2 (X = Cl, Br, I) European Journal of Inorganic Chemistry. 83-85.  0.221
1990 Niecke E, von der Gönna V, Nieger M. Ein Weg zu neuartigen funktionalisierten Bis(imino)phosphoranen XP( NAryl)NAlkyl Chemische Berichte. 123: 2329-2333. DOI: 10.1002/cber.19901231216  0.219
1979 NIECKE E, KROEHER R. ChemInform Abstract: STUDIES ON PHOSPHAZENES OF COORDINATION NUMBER 2 AND 3. PART 16. SYNTHESIS AND ADDITION REACTIONS OF 1,3,2Λ2,4-DIAZAPHOSPHONIAALUMINATACYCLOBUTANES Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197937265  0.219
1983 Paetzold P, Plotho Cv, Niecke E, Rüger R. [2 + 2]‐Cycloaddition von Iminoboran und Iminophosphan Chemische Berichte. 116: 1678-1681. DOI: 10.1002/Cber.19831160443  0.217
2010 BARION D, DAVID G, LINK M, NIEGER M, NIECKE E. ChemInform Abstract: Synthesis and Structure of Phosphirene Imines and Iminophosphaspiro(2. 2)pentanes. Cheminform. 24: no-no. DOI: 10.1002/chin.199326190  0.216
1978 Pohl S, Niecke E, Schäfer H. Struktur des 1 : 1‐Addukts aus Aminoiminophosphan und tert‐Butylazid Angewandte Chemie. 90: 135-136. DOI: 10.1002/Ange.19780900220  0.216
1990 Niecke E, Nieger M, Gärtner-Winkhaus C, Kramer B. Synthese und Kristallstruktur von Iminophosphanen mit Liganden hoher π-Donorfähigkeit Chemische Berichte. 123: 477-479. DOI: 10.1002/cber.19901230311  0.215
1977 NIECKE E, KROEHER R. ChemInform Abstract: 1,3,2,Λ2,4-DIAZAPHOSPHONIAALUMINATACYCLOBUTANE- A CYCLIC ZWITTERION WITH DOUBLY COORDINATED PHOSPHORUS Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197707274  0.215
1989 GUETH W, BUSCH T, SCHOELLER WW, NIECKE E, KREBS B, DARTMANN M, RADEMACHER P. ChemInform Abstract: A Cyclic 1,2-Diphospha-1,3-diene. Synthesis, Crystal Structure, and Bonding Properties. Cheminform. 20. DOI: 10.1002/chin.198951217  0.214
2010 KNOPS P, WINDSCHEIF P, VOEGTLE F, ROLOFF A, JANSEN M, NIEGER M, NIECKE E, OKAMOTO Y. ChemInform Abstract: Nitro- and Allyloxy-Substituted Helical (2.2)Metacyclophanes: Synthesis, Circular Dichroism and Crystal Structures. Cheminform. 22: no-no. DOI: 10.1002/chin.199137198  0.213
2010 STREUBEL R, NIEGER M, NIECKE E. ChemInform Abstract: Synthesis, Structure, and Reactivity of Diphosphiranes. Cheminform. 24: no-no. DOI: 10.1002/chin.199326189  0.213
1990 Niecke E, Detsch R, Nieger M. Synthese, Struktur und dynamisches Verhalten von 1,3,5-Triaza-2,4-diphospha-1,4-pentadienen Chemische Berichte. 123: 797-799. DOI: 10.1002/cber.19901230425  0.212
1991 Hein J, Gärtner-Winkhaus C, Nieger M, Niecke E. Reactions of aP-chloro-iminophosphane with main group nucleophiles: Syntheses and x-ray crystal structure analyses of two 1,3-diphosphatetraz-3-ene derivatives Heteroatom Chemistry. 2: 409-415. DOI: 10.1002/hc.520020308  0.209
2010 DETSCH R, NIECKE E, NIEGER M, SCHOELLER WW. ChemInform Abstract: Monomer and Dimer 1,3-Diaza-2-phosphaallyllithium Complexes: Structures and Ambident Reactivity. Cheminform. 23: no-no. DOI: 10.1002/chin.199234212  0.209
2010 Bîrzoi RM, Bugnariu D, Gimeno RG, Lungu D, Zota V, Daniliuc C, Jones PG, Benkõ Z, Könczöl L, Nyulászi L, Bartsch R, du Mont WW, Niecke E. Imino-bridged bisphosphaalkenes (2,4-diphospha-3-azapentadienes). Chemistry (Weinheim An Der Bergstrasse, Germany). 16: 4843-51. PMID 20235247 DOI: 10.1002/chem.200903166  0.206
1996 Niecke E, Becker P, Fuchs A, Nieger M, Schiffer T, Schoeller WW. Novel aspects in the synthesis of carbenoids containing P/C-pπ-bonds Phosphorus, Sulfur and Silicon and Related Elements. 109: 613-616.  0.205
1989 NIECKE E, NIEGER M, REICHERT F, SCHOELLER WW. ChemInform Abstract: Synthesis, Structure, and Bonding in the Donor-Acceptor Complex (tBu2PSe2)·(PNAryl): A Route to the PN Bond. Cheminform. 20. DOI: 10.1002/chin.198911231  0.205
1989 Boeske J, Niecke E, Nieger M, Ocando E, Majoral JP, Bertrand G. Reactivity of phosphonitriles with low-coordinated phosphorus double-bonded compounds Inorganic Chemistry. 28: 499-504. DOI: 10.1021/Ic00302A024  0.204
1978 POHL S, NIECKE E, SCHAEFER H. ChemInform Abstract: STRUCTURE OF THE 1-1-ADDUCTS OF AMINOIMINOPHOSPHINE AND TERT-BUTYL AZIDE Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197818069  0.203
1991 Niecke E, Kramer B, Nieger M. Synthesis and reactivity of a 1-Aza-2,3-diphosphaallyl anion Organometallics. 10: 10-11.  0.203
1975 Pohl S, Niecke E, Krebs B. Phosphor(V) Mit Trigonal‐Planarer Koordination Cheminform. 6. DOI: 10.1002/Chin.197524322  0.201
1977 Niecke E, Kröher R, Pohl S. Viergliedrige Phosphor-Stickstoff-Metall-Heterocyclen mit zwitterionischer Struktur Angewandte Chemie. 89: 902-903. DOI: 10.1002/Ange.19770891220  0.2
1990 ALTMEYER O, NIECKE E, NIEGER M, BUSCH T, SCHOELLER WW, STALKE D. ChemInform Abstract: 1-Phosphinodiazaphosphene: Synthesis, Crystal Structure, and Bonding Properties. Cheminform. 21. DOI: 10.1002/chin.199039226  0.2
1981 Niecke E, Nickloweit-Lueke A, Rueger R. 1,2Λ3,3Λ3-Azadiphosphiridines Cheminform. 12. DOI: 10.1002/Chin.198133270  0.2
1981 Niecke E, Nickloweit-Lüke A, Rüger R. 1,2λ3,3λ3‐Azadiphosphiridine Angewandte Chemie. 93: 406-407. DOI: 10.1002/Ange.19810930421  0.2
1997 Nieger M, Poetschke N, Niecke E, Airola K. Crystal structure of bis[(diphenylphosphino)amide-κN]-tris(tetrahydrofuran-κO)lithium- tetrahydrofuran (1/0.5), [Li{[(C6H5)2P]2N}(C 4H8O)3] · 0.5(C4H8O) Zeitschrift Fur Kristallographie - New Crystal Structures. 212: 247-248.  0.2
2010 POETSCHKE N, BARION D, NIEGER M, NIECKE E. ChemInform Abstract: Chirale Iminophosphanes by Reaction of Lithium Alkoxides with Chloro-( 2,4,6-tri-tert-butylphenylimino)phosphane. Cheminform. 26: no-no. DOI: 10.1002/chin.199547209  0.198
1989 NIECKE E, LEUER M, NIEGER M. ChemInform Abstract: Synthesis and Reactivity of a 1-Chloro-λ3-phosphirane. Cheminform. 20. DOI: 10.1002/chin.198922246  0.196
1989 Niecke E, Barion D. Synthesis of diphosphirenes by [2+1]-cycloaddition of imino-phosphanes to a phosphaalkyne and isomerization to azadiphosphetines Tetrahedron Letters. 30: 459-460. DOI: 10.1016/S0040-4039(00)95227-4  0.196
1989 NIECKE E, NIEGER M, REICHERT F. ChemInform Abstract: Arylimino(halogen)phosphanes XP=NC6H2tBu3 (X: Cl, Br, I) and the Iminophosphenium Tetrachloroaluminate (PNC6H2tBu3) (AlCl4): The First Stable Compound with a PN Triple Bond. Cheminform. 20. DOI: 10.1002/chin.198911232  0.195
2010 BROMBACH H, NIECKE E, NIEGER M. ChemInform Abstract: Synthetic Routes to the First P-Metalated Phosphiranes: Synthesis and Structure of (η5-Cyclopentadienyl)dicarbonyl(2,2,3-tris( trimethylsilyl)-1λ3-phosphacyclopropyl)iron. Cheminform. 23: no-no. DOI: 10.1002/chin.199215236  0.194
1982 NIECKE E, NICKLOWEIT-LUEKE A, RUEGER R. ChemInform Abstract: SYNTHESIS OF CYCLIC SECONDARY AMINOPHOSPHINES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198226243  0.192
1982 NIECKE E, RUEGER R, SCHOELLER WW. ChemInform Abstract: PHOSPHAZENES OF COORDINATION NUMBER 2 AND 3. PART 23. TERT-BUTYLIMINO-TERT-BUTYLPHOSPHINE: AN INORGANIC CARBENE ANALOG Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198215283  0.191
2003 Ekici S, Nieger M, Glaum R, Niecke E. A strategy for the synthesis of phosphorus-containing macrocycles--ligands for exceptional coordination geometries. Angewandte Chemie (International Ed. in English). 42: 435-8. PMID 12569510 DOI: 10.1002/anie.200390132  0.189
1989 NIECKE E, HEIN J, NIEGER M. ChemInform Abstract: Reactions of Chloro((2,4,6-tri-tert.-butylphenyl)imino)phosphane with Anionic Transition-Metal Complexes: Stable Metalloiminophosphanes and Evidence for Terminal Aminophosphinidene Complexes. Cheminform. 20. DOI: 10.1002/chin.198952279  0.189
1986 Dressler U, Niecke E, Pohl S, Saak W, Schoeller WW, Schäfer HG. 1-Aminodiazaphosphene, synthesis, crystal structure, bonding properties, and reactivity of a derivative Journal of the Chemical Society, Chemical Communications. 1086-1087. DOI: 10.1039/C39860001086  0.187
2010 BECKER P, BROMBACH H, DAVID G, LEUER M, METTERNICH H, NIECKE E. ChemInform Abstract: Bis(methylene)phosphoranes - Synthesis, Spectroscopic Investigations and Thermal Isomerizations to λ3-Phosphiranes. Cheminform. 23: no-no. DOI: 10.1002/chin.199229203  0.187
1993 Barion D, Gärtner-Winkhaus C, Link M, Nieger M, Niecke E. Iminophosphane und Azadiphosphiridin-imine Chemische Berichte. 126: 2187-2195. DOI: 10.1002/cber.19931261005  0.186
1985 NIECKE E, RUEGER R, GUETH W. ChemInform Abstract: SECONDARY AMINOPHOSPHINES - SYNTHESIS AND REACTIVITY Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198547223  0.185
1990 Nieger M, Niecke E, Gärtner‐Winkhaus C. Structure of a bis(ketimino)(amino)phosphine Acta Crystallographica Section C. 46: 2470-2472. DOI: 10.1107/S0108270190005674  0.184
1991 Brombach H, Niecke E, Nieger M. Synthetic routes to the first P-metalated phosphiranes: Synthesis and structure of (η 5-cyclopentadienyl)dicarbonyl[2,2,3-tris(trimethylsilyl)-1λ 3-phosphacyclopropyl]iron Organometallics. 10: 3949-3951.  0.184
1982 NIECKE E, NICKLOWEIT-LUEKE A, RUEGER R, KREBS B, GREWE H. ChemInform Abstract: 1,2Λ3,3Λ3-AZADIPHOSPHIRIDINES - SYNTHESIS, CRYSTAL STRUCTURE AND PROPERTIES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198214265  0.184
2012 Schoeller WW, Niecke E. Theoretical design of the biradical character in 1,3-diphosphacyclobutanediyl and homologous structures. Physical Chemistry Chemical Physics : Pccp. 14: 2015-23. PMID 22228139 DOI: 10.1039/c1cp23016f  0.182
1996 Schick G, Loew A, Nieger M, Airola K, Niecke E. Syntheses and reactivity of aminobis(diorganylanylamino)phosphanes Chemische Berichte. 129: 911-917.  0.181
1986 NIECKE E, SYMALLA E. ChemInform Abstract: 1,2-Di-tert-butylmethylenphosphane and its Adducts with Aluminiumchloride, Sulphur and Selen. Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198616261  0.179
2010 NIECKE E, KRAMER B, NIEGER M, SEVERIN H. ChemInform Abstract: Ring Opening Reactions of Azadiphosphiridines. Cheminform. 24: no-no. DOI: 10.1002/chin.199341216  0.178
1982 NIECKE E, SCHAEFER H. ChemInform Abstract: STUDIES ON KZ 2 AND 3 PHOSPHAZENES. XXI. SYNTHESIS AND DECOMPOSITION OF Λ3- AND Λ5-TETRAZAPHOSPHOLENES Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198215284  0.178
2010 SCHICK G, LOEW A, NIEGER M, NIECKE E. ChemInform Abstract: Reaction of Aminobis(diorganylamino)phosphanes with Halogenophosphanes - P-Hydrogeno(iminophosphoranyl)halogenophosphanes and P-Hydrogeno( iminophosphoranyl)-σ2,λ3-iminophosphanes. Cheminform. 28: no-no. DOI: 10.1002/chin.199717170  0.176
1995 Nieger M, Ruban A, Niecke E. Crystal structure of (2,4,6-tri-tert-butylphenyl)amino-dibromo-((2,4,6-tri-tert-butyl-phenyl)imino)phosphorane, C36H59Br2N2P Zeitschrift Fur Kristallographie - New Crystal Structures. 210: 789-790. DOI: 10.1524/zkri.1995.210.10.789  0.175
1983 NIECKE E, RUEGER R. ChemInform Abstract: SECONDARY AMINODIPHOSPHINES - SYNTHESIS, CONFIGURATION, AND PROPERTIES Chemischer Informationsdienst. 14. DOI: 10.1002/chin.198312249  0.175
1995 Larbig M, Nieger M, Von Der Gönna V, Ruban AV, Niecke E. Synthesis, structure, and reactivity of an imido- and an oxo(imido)phosphorane R-P(=X)=NR X = NH, O; R = tBu3C6H2 Angewandte Chemie (International Edition in English). 34: 460-462.  0.174
1988 NIECKE E, LYSEK M. ChemInform Abstract: A New Route to λ5-Phospholenes (III) and λ5-Phosphirenes (V) via (n + 1)-Cycloaddition Reactions of an Iminophosphane (I). Cheminform. 19. DOI: 10.1002/chin.198826215  0.17
1989 IGAU A, BACEIREDO A, BERTRAND G, KUEHNEL-LYSEK K, NIECKE E. ChemInform Abstract: Analogy α,α′-Bis-Carbenoid Triply-Bonded Species. Attempted Synthesis of σ2λ3-Phosphacarbene (-C-P=C=)-σ2λ5-Phosphaacetylene (-CP=C=). Cheminform. 20. DOI: 10.1002/chin.198952241  0.167
1978 NIECKE E, KROEHER R, POHL S. ChemInform Abstract: STUDIES ON PHOSPHAZENES WITH COORDINATION NUMBER 2 AND 3. 14. FOUR-MEMBERED PHOSPHORUS-NITROGEN-METAL HETEROCYCLES WITH ZWITTERIONIC STRUCTURE Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197809296  0.166
1989 NIECKE E, KRAMER B, NIEGER M. ChemInform Abstract: Synthesis, Structure and Reactivity of Diphosphenes with cis-Configuration. Cheminform. 20. DOI: 10.1002/chin.198918257  0.165
1989 Böske J, Niecke E, Nieger M, Ocando E, Majoral JP, Bertrand G. Reactivity of phosphonitriles with low-coordinated phosphorus double-bonded compounds Inorganic Chemistry. 28: 499-504.  0.165
1987 Güth W, Niecke E, Westermann H. Synthesis and Reactivity of Aminodiphosphanes Phosphorus and Sulfur and the Related Elements. 30: 798-798. DOI: 10.1080/03086648708079290  0.164
1996 Schick G, Loew A, Nieger M, Niecke E. On the reaction of aminobis(diorganylamino)phosphanes with halogenophosphanes -P-hydrogeno(iminophosphoranyl)halogenophosphanes and P-hydrogeno(iminophosphoranyl)-σ2,λ 3-iminophosphanes Heteroatom Chemistry. 7: 427-435.  0.163
1987 Böske J, Ocando-Mavarez E, Niecke E, Majoral JP, Bertrand G. Synthesis and electrocyclic ring opening of 1,3,2λ3,4λ5-diazadiphosphetines Journal of the American Chemical Society. 109: 2822-2823.  0.16
1995 Nieger M, Link M, Niecke E. Crystal structure of 1-ethyl-2,5-diphenyl-1-(2,4,6-tri-tert-butylphenyl-imino)-1,5-dihydro-2H-1λ5-phosphole, C36H48NP Zeitschrift Fur Kristallographie - New Crystal Structures. 210: 791-792. DOI: 10.1524/zkri.1995.210.10.791  0.16
1988 Niecke E, Lysek M. A new route to λ5-phospholenes and λ5 -phosphirenes via [n+1] cycloaddition reactions of an iminophosphane Tetrahedron Letters. 29: 605-606. DOI: 10.1016/S0040-4039(00)80160-4  0.158
1978 NIECKE E, SCHAEFER H. ChemInform Abstract: STUDIES ON PHOSPHAZENES OF COORDINATION NUMBER 2 AND 3. 14. AN IMINO-BRIDGED TRIAZA-Λ5-PHOSPHETIDINE Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197810257  0.156
1993 Niecke E, David G, Detsch R, Kramer B, Nieger M, Wenderoth P. Recent developments in the chemistry of cations and anions containing low valent phosphorus centers Phosphorus, Sulfur, and Silicon and the Related Elements. 76: 25-28. DOI: 10.1080/10426509308032349  0.155
2010 BENDER HRG, NIECKE E, NIEGER M. ChemInform Abstract: The First X-Ray Structure of a Phosphasilene: 1,3,4-Triphospha-2- silabut-1-ene Cheminform. 24: no-no. DOI: 10.1002/chin.199333051  0.154
1986 Böske J, Niecke E, Ocando-Mavarez E, Majoral JP, Bertrand G. Phosphonitriles: Versatile intermediates Inorganic Chemistry. 25: 2695-2698.  0.153
1997 Nieger M, Niecke E, Von Der Gönna V. Crystal structure of (tert-butylimino)[(2,4,6-tri-tert-butylphenyl)-imino](tert-butyl)phosphorane, C26H47N2P Zeitschrift Fur Kristallographie - New Crystal Structures. 212: 253-255.  0.153
1986 NIECKE E, LYSEK M, SYMALLA E. ChemInform Abstract: Synthesis and Autoaddition Behaviour of Iminophosphanes of the Type C-P = NC(Si). Chemischer Informationsdienst. 17. DOI: 10.1002/chin.198646282  0.153
1995 Nieger M, Niecke E, Detsch R. Crystal structure of bis(2,4,6-tri-tert-butylphenylamino)phosphenium tetrachloroaluminate, (((C4H9)3C6H2NH)2P) (A1Cl4) Zeitschrift Fur Kristallographie - New Crystal Structures. 210: 971-972. DOI: 10.1524/zkri.1995.210.12.971  0.153
1991 Niecke E, Schmidt D. Synthesis of a 1,2-diphosphaferrocene under participation of carbonyl ligands via silyl group-shift Journal of the Chemical Society, Chemical Communications. 1659-1660. DOI: 10.1039/C39910001659  0.151
1975 Niecke E, Bitter W. Synthesis and properties of n-silylated amino-fluoroarsines Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 5: 231-242. DOI: 10.1080/00945717508055941  0.151
1996 Paasch K, Wenderoth P, Nieger M, Niecke E. 1-Phospha- and 1-Aza-3-Phosphaallylic Anions Phosphorus, Sulfur, and Silicon and the Related Elements. 111: 54-54. DOI: 10.1080/10426509608054683  0.146
2010 NIECKE E, VON DER GOENNA V, NIEGER M. ChemInform Abstract: A Route to Novel Functionalized Bis(imino)phosphoranes XP(=NAryl)= NAlkyl. Cheminform. 22: no-no. DOI: 10.1002/chin.199109264  0.144
1991 Nieger M, Altmeyer O, Niecke E. Crystal structure of l,2-bis[tris-(trimethylsilyl)hydrazino]-l,2-dibromodiphosphane,(((CH3)3Si)3N2(Br)P)2 Zeitschrift Fur Kristallographie - New Crystal Structures. 197: 299-301. DOI: 10.1524/zkri.1991.197.3-4.299  0.142
2010 NIECKE E, LINK M, NIEGER M. ChemInform Abstract: Reversible (4 + 1) Selfaddition of Alkyl(arylimino)phosphanes and Regioselective Cycloaddition to (E)- and (Z)-Azobenzene. Cheminform. 24: no-no. DOI: 10.1002/chin.199313239  0.142
1997 Nieger M, Niecke E, Dombrowski A. Crystal structure of 1,3-bis(dichlorophosphanyl)-2-chloro-1,3-diazaphospholidine, C2H4Cl5N2P3 Zeitschrift Fur Kristallographie - New Crystal Structures. 212: 244.  0.142
2001 Raab M, Sundermann A, Schick G, Loew A, Nieger M, Schoeller WW, Niecke E. (NH)-phosphanylamido- and (PH)-phosphoraneiminato transition-metal complexes: Syntheses, structures, and computational studies Organometallics. 20: 1770-1775.  0.14
1997 Nieger M, Niecke E, Lysek M. Crystal structure of tetracarbonyl(η 1-1,1-di-tert-butyl-3-(2,4,6-tri-tert-butylphenyl)-1,2- diphosphatriaz-2-ene)iron(0), C30H47FeNO4P2 Zeitschrift Fur Kristallographie - New Crystal Structures. 212: 245-246.  0.14
1992 Detsch R, Niecke E, Nieger M, Schoeller WW. Monomere und dimere 1,3-Diaza-2-phosphaallyllithium-Komplexe: Strukturen und ambidente Reaktivität Chemische Berichte. 125: 1119-1124. DOI: 10.1002/cber.19921250522  0.139
1988 NIECKE E, WESTERMANN H. ChemInform Abstract: A Simple Method for the Preparation of Tris(trimethylsilyl)phosphine (III). Cheminform. 19. DOI: 10.1002/chin.198833229  0.137
1997 Pötschke N, Nieger M, Niecke E. Crystal structure of 1,1,1,3,3,3-hexafluoro-2-propanyloxy-(2,4,6-tri-tert-butylphenylimino)phosphine Acta Chemica Scandinavica. 51: 337-339.  0.136
1976 NIECKE E, FLICK W. ChemInform Abstract: STUDY ON PHOSPHAZENES OF THE COORDINATION NUMBER 2 AND 3. VIII. (2 + 2) CYCLOADDITIONS OF UNSTABLE PHOSPHA(V)AZENE OF COORDINATION NUMBER 3 Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197617272  0.135
1998 Geoffrey F, Cloke N, Hitchcock PB, Hunnable P, Nixon JF, Nyulászi L, Niecke E, Thelen V. The first delocalized phosphole containing a planar tricoordinate phosphorus atom: 1-[bis(trimethylsilyl)methyl]-3,5-bis(trimethylsilyl)-1,2,4-triphosphole Angewandte Chemie - International Edition. 37: 1083-1086. DOI: 10.1002/(SICI)1521-3773(19980504)37:8<1083::AID-ANIE1083>3.0.CO;2-C  0.135
1990 NIECKE E, DETSCH R, NIEGER M. ChemInform Abstract: Synthesis, Molecular Structure, and Dynamic Behavior of 1,3,5-Triaza-2,4-diphospha-1,4-pentadienes. Cheminform. 21. DOI: 10.1002/chin.199027258  0.133
1993 Bender HRG, Niecke E, Nieger M. The first X-ray structure of a phosphasilene: 1,3,4-triphospha-2-silabutene-(1) Journal of the American Chemical Society. 115: 3314-3315.  0.133
2010 BARION D, GAERTNER-WINKHAUS C, LINK M, NIEGER M, NIECKE E. ChemInform Abstract: Iminophosphanes and Azadiphosphiridine Imines. Cheminform. 25: no-no. DOI: 10.1002/chin.199422199  0.13
1989 NIECKE E, BARION D. ChemInform Abstract: Synthesis of Diphosphirenes (III) by (2 + 1)Cycloaddition of Iminophosphanes (I) to a Phosphaalkyne (II) and Isomerization to Azadiphosphetines (IV). Cheminform. 20. DOI: 10.1002/chin.198930255  0.13
1977 NIECKE E, RINGEL G. ChemInform Abstract: STUDIES OF PHOSPHAZENES WITH COORDINATION NUMBERS 2 AND 3. COMMUNICATION 12. SYNTHESIS OF A SECONDARY AMINOPHOSPHINE Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197740288  0.128
1995 Pötschke N, Barion D, Nieger M, Niecke E. Chirale iminophosphane durch reaktion von lithiumalkoholaten mit Chlor-(2,4,6-tri-tert.-butylphenylimino)phosphan Tetrahedron. 51: 8993-8996. DOI: 10.1016/0040-4020(95)00492-Q  0.128
1978 NIECKE E, WILDBREDT DA. ChemInform Abstract: INVESTIGATIONS ON PHOSPHAZENES OF COORDINATION NUMBER 2 AND 3. 15. NEW DIYLIDES WITH PHOSPHORUS OF COORDINATION NUMBER 3 Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197824278  0.127
2008 Bender HRG, Klein E, Niecke E, Nieger M, Ranaivonjatovo H. Unusual Coordination in Phosphorus Silicon Compounds Organosilicon Chemistry I: From Molecules to Materials. 143-146. DOI: 10.1002/9783527620777.ch34  0.126
1995 Schoeller WW, Strutwolf J, Niecke E. On the electronic structures of the metaphosphate (metaphosphite) anions PX3 (-)(PX2 (-)), X = CH2, SiH2, NH, PH, O, S Journal of Molecular Structure: Theochem. 333: 249-260. DOI: 10.1016/0166-1280(94)03935-E  0.117
1997 Nieger M, Niecke E, Dany S. Crystal structure of tris(tert-butyl-dimethylsilyl)phosphine, ((C4H9)(CH3)2Si)3P Zeitschrift Fur Kristallographie - New Crystal Structures. 212: 249-250.  0.112
1990 Matos R, Meidine MF, Nixon JF, Trigo Passos BF, Niecke E, Barion D. Relative donor properties of sp3 and sp2 hybridised phosphorus atoms of the azadiphosphetine ring system RP(NR′)PCR′ (R = Et3C, R′ = But) towards transition metals Journal of Organometallic Chemistry. 390: c89-c92. DOI: 10.1016/0022-328X(90)85113-D  0.109
2010 DAVID G, NIECKE E, NIEGER M. ChemInform Abstract: 2-λ3-Phosphaquinolines. Cheminform. 23: no-no. DOI: 10.1002/chin.199243212  0.108
1981 NIECKE E, WILDBREDT D. ChemInform Abstract: METHYLENETHIOXOPHOSPHORANES AND 1,2-Λ(5)-THIAPHOSPHIRANS Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198125278  0.108
2002 Overländer CD, Tirreé J, Larbig M, Nieger M, Niecke E. Nitrido bridges between electrophilic phosphorus centers of S-, P- and D-block metals Phosphorus, Sulfur and Silicon and Related Elements. 177: 2171. DOI: 10.1080/10426500213291  0.107
1986 Schaefer HG, Schoeller WW, Niemann J, Haug W, Dabisch T, Niecke E. On the redox properties of cyclotetraphosphines. A novel dication rearrangement. Journal of the American Chemical Society. 108: 7481-4. PMID 22283244 DOI: 10.1021/ja00284a006  0.102
1986 Schäfer HG, Schoeller WW, Niemann J, Haug W, Dabisch T, Niecke E. On the redox properties of cyclotetraphosphanes. A novel dication rearrangement Journal of the American Chemical Society. 108: 7481-7484.  0.102
2010 DETSCH R, NIECKE E, NIEGER M, REICHERT F. ChemInform Abstract: 1,3,5-Triaza-2,4-diphospha-1,4-pentadienes. Cheminform. 23: no-no. DOI: 10.1002/chin.199215224  0.101
2010 NIEMANN J, SCHOELLER WW, VON DER GOENNA V, NIECKE E. ChemInform Abstract: Redox Properties of Diphosphanes. Cheminform. 22: no-no. DOI: 10.1002/chin.199136227  0.1
2012 Rozhenko AB, Ruban A, Thelen V, Nieger M, Airola K, Schoeller WW, Niecke E. Island homoaromaticity in the W-shaped 2,4-diphospha-3-arsapentadienide anion and related compounds - Theoretical and experimental investigations European Journal of Inorganic Chemistry. 2502-2507. DOI: 10.1002/ejic.201101360  0.099
1969 Roesky HW, Niecke E. Phosphorylchloridfluorid-amid, Phosphoryldichlorid-amid und N-Trichlorphosphoranyliden-phosphoryl-chloridfluoridamid Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 24: 1101-1103. DOI: 10.1515/znb-1969-0907  0.098
1968 Roesky HW, Niecke E. Darstellung von P3N3F5NH2 und P3N3F5NPCl3 Inorganic and Nuclear Chemistry Letters. 4: 463-465.  0.096
1967 Niecke E, Tenzel J. Notizen:Darstellung von Difluorphosphoryltrimethylsilyl-carbodiimid Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 22: 785-786. DOI: 10.1515/znb-1967-0722  0.094
1994 David G, Von Der Gönna V, Niecke E, Busch T, Schoeller WW, Rademacher P. Spectroscopic investigations on iminophosphanes and methylenephosphanes Journal of the Chemical Society, Faraday Transactions. 90: 2611-2616. DOI: 10.1039/FT9949002611  0.094
1992 Detsch R, Niecke E, Nieger M, Reichert F. Zum Kenntnisstand der 1,3,5-Triaza-2,4-diphospha-1,4-pentadiene Chemische Berichte. 125: 321-330. DOI: 10.1002/cber.19921250208  0.09
1986 Schoeller WW, Staemmler V, Rademacher P, Niecke E. Theoretical studies on inorganic ring systems. Tetraphosphabicyclobutane, cyclotriphosphane, and white phosphorus: Ring strain and hybridization Inorganic Chemistry. 25: 4382-4385.  0.088
2002 Fuchs A, Nieger M, Niecke E, Nyulaszi L, Schmidt O, Schoeller W, Sebastian M. 1,3-Diphosphetane-2,4-diyles-cryptocarbenes? Phosphorus, Sulfur and Silicon and Related Elements. 177: 1605-1608. DOI: 10.1080/10426500212310  0.087
1972 Niecke E, Thamm H, Böhler D. Cis- und trans- Bis (dimethylamino) tetrafluorcyclotriphosphazen Inorganic and Nuclear Chemistry Letters. 8: 261-263. DOI: 10.1016/0020-1650(72)80066-7  0.083
1976 Niecke E, Bitter W. Reaktionen einesN-Silylierten Iminophosphins (Phospha(III)azens) mit Halogenverbindungen der IV. und VII. Hauptgruppe1) Chemische Berichte. 109: 415-425. DOI: 10.1002/cber.19761090202  0.083
1991 Metternich HJ, Niecke E. λ3-1H-phosphirene durch wasserstoff-eliminierung von λ3-phosphiranen Tetrahedron Letters. 32: 6537-6538. DOI: 10.1016/0040-4039(91)80213-P  0.079
1993 David G, Niecke E, Nieger M, Gönna VVD, Schoeller WW. [n + 2]-Cycloadditionsreaktionen des (Arylimino)phosphenium-Ions, [P≡NAr]+–kationische PN-Heterocyclen mit ungewöhnlicher Struktur und Bindungssituation Chemische Berichte. 126: 1513-1517. DOI: 10.1002/cber.19931260703  0.078
1998 Becker G, Eschbach B, Mundt O, Reti M, Niecke E, Issberner K, Nieger M, Thelen V, Nöth H, Waldhör R, Schmidt M. Metal derivatives of molecular compounds. IX bis(1,2-dimethoxyethane-O,O')lithium phosphanide, arsanide, and chloride - Three new representatives of the bis(1,2-dimethoxyethane-O,O')lithium bromide type | Metallderivate von molekülverbindungen. IX [1] bis(1,2-dimethoxyethan-O,O')lithium-phosphanid, -arsanid und -chlorid -Drei neue vertreter des bis(1,2-dimethoxyethan-O,O')lithium-bromid-typs Zeitschrift Fur Anorganische Und Allgemeine Chemie. 624: 469-482.  0.075
1983 PAETZOLD P, VON PLOTHO C, NIECKE E, RUEGER R. ChemInform Abstract: (2 + 2) CYCLOADDITION PRODUCTS FROM IMINOBORANE AND IMINOPHOSPHINE Chemischer Informationsdienst. 14. DOI: 10.1002/Chin.198330302  0.073
1973 Niecke E, Bitter W. N-trimethylsilyl-trichlorphosphinimin Inorganic and Nuclear Chemistry Letters. 9: 127-129. DOI: 10.1016/0020-1650(73)80040-6  0.072
1974 Röschenthaler GV, Schmutzler R, Niecke E. cis-Bis(trifluorophosphazodifluorophosphine) tetracarbonyl Molybdenum Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 29: 436-437. DOI: 10.1515/znb-1974-5-631  0.072
1980 NIECKE E, WILDBREDT D. ChemInform Abstract: STUDIES ON PHOSPHAZENES OF KZ 2 AND 3. XVII. STUDIES ON THE IMINOPHOSPHINE/DIAZOALKANE SYSTEM: IMINOMETHYLENEPHOSPHORANES AND THEIR ADDITION PRODUCTS Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198026251  0.068
1985 Elbel S, Ellis A, Niecke E, Egsgaard H, Carlsen L. A photoelectron spectroscopic study of di-t-butylphosphazene Journal of the Chemical Society, Dalton Transactions. 879-884. DOI: 10.1039/DT9850000879  0.066
1976 Niecke E, Flick W. Untersuchungen an phosphazenen der KZ 2 und 3. VIII. (2 + 2)-Cycloadditionen instabiler phospha(V)azene der koordinationszahl 3 Journal of Organometallic Chemistry. 104: C23-C26. DOI: 10.1016/S0022-328X(00)91681-4  0.065
1990 NIECKE E, ALTMEYER O, BARION D, DETSCH R, GAERTNER C, HEIN J, NIEGER M, REICHERT F. ChemInform Abstract: Iminophosphanes and Diphosphenes: Recent Developments Cheminform. 21. DOI: 10.1002/chin.199045381  0.062
1991 Niemann J, Schoeller WW, von der Gönna V, Niecke E. Redox Properties of Diphosphanes Chemische Berichte. 124: 1563-1565. DOI: 10.1002/cber.19911240713  0.061
2006 Raab M, Schick G, Fondermann R, Dolg M, Henze W, Weynand U, Gschwind RM, Fischer K, Schmidt M, Niecke E. A PH-functionalized polyphosphazene: a macromolecule with a highly flexible backbone. Angewandte Chemie (International Ed. in English). 45: 3083-6. PMID 16586419 DOI: 10.1002/Anie.200504208  0.055
2006 Fondermann R, Dolg M, Raab M, Niecke E. A quantum chemical ab initio study of the polymerization to polyhydridophosphazenes Chemical Physics. 325: 291-298. DOI: 10.1016/j.chemphys.2006.01.016  0.053
1972 Niecke E, Nixon JF. Temperature Dependence of the Phosphorus- phosphorus Coupling Constant in Ethylaminobis(difluorophosphine), EtN(PF2)2 Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences. 27: 467-468. DOI: 10.1515/znb-1972-0424  0.053
1994 Oberdörfer R, Nieger M, Niecke E. 1,3-Diaza-2λ2-phosphonia-4λ4-gallatacyclobutane Chemische Berichte. 127: 2397-2401. DOI: 10.1002/cber.19941271210  0.048
1992 David G, Niecke E, Nieger M. 2-λ3-Phosphachinoline Tetrahedron Letters. 33: 2335-2338. DOI: 10.1016/S0040-4039(00)74204-3  0.042
2012 Niecke E, Filippou AC. Rolf Appel (1921-2012) Angewandte Chemie. 124: 9350-9350. DOI: 10.1002/ange.201205250  0.011
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