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Results: 1-25 | 26-37
Results: 1-25/37
FIRST X-RAY CRYSTAL-STRUCTURE AND NMR SPECTROSCOPIC ANALYSIS OF A LITHIATED 1,2-DIAZAPENTADIENE
Authors: KROL A FROHLICH R WURTHWEIN EU
Citation: A. Krol et al., FIRST X-RAY CRYSTAL-STRUCTURE AND NMR SPECTROSCOPIC ANALYSIS OF A LITHIATED 1,2-DIAZAPENTADIENE, Chemical communications, (4), 1998, pp. 485-486
EVIDENCE FOR A CONTINUOUS TRANSITION BETWEEN THIAPHOSPHETANE AND BETAINE-TYPE STRUCTURES IN THE THIO-WITTIG REACTION
Authors: PUKE C ERKER G AUST NC WURTHWEIN EU FROHLICH R
Citation: C. Puke et al., EVIDENCE FOR A CONTINUOUS TRANSITION BETWEEN THIAPHOSPHETANE AND BETAINE-TYPE STRUCTURES IN THE THIO-WITTIG REACTION, Journal of the American Chemical Society, 120(19), 1998, pp. 4863-4864
ENANTIOSELECTIVE CATHODIC REDUCTION OF 4-METHYLCOUMARIN - DEPENDENCE OF SELECTIVITY ON REACTION CONDITIONS AND INVESTIGATION OF THE MECHANISM
Authors: NIELSEN MF BATANERO B LOHL T SCHAFER HJ WURTHWEIN EU FROHLICH R
Citation: Mf. Nielsen et al., ENANTIOSELECTIVE CATHODIC REDUCTION OF 4-METHYLCOUMARIN - DEPENDENCE OF SELECTIVITY ON REACTION CONDITIONS AND INVESTIGATION OF THE MECHANISM, Chemistry, 3(12), 1997, pp. 2011-2024
UNSATURATED HETERO CHAINS .6. OMEGA-ALKOXY-SUBSTITUTED AND OMEGA-AMINO-SUBSTITUTED OLIGONITRILES - SYNTHESIS, STRUCTURES, AND REACTIVITY
Authors: AUST NC FROHLICH R HECHT J WURTHWEIN EU
Citation: Nc. Aust et al., UNSATURATED HETERO CHAINS .6. OMEGA-ALKOXY-SUBSTITUTED AND OMEGA-AMINO-SUBSTITUTED OLIGONITRILES - SYNTHESIS, STRUCTURES, AND REACTIVITY, Liebigs Annalen, (7), 1997, pp. 1593-1602
DIASTEREOSELECTIVE SYNTHESIS OF 1-HYDROXY-SUBSTITUTED BENZO[B]QUINOLIDINES AND 11-HYDROXY-SUBSTITUTED AZEPINO[1,2-B]ISOQUINOLINES VIA HETERO-ENE CYCLIZATION (VOL 4, PG 533, 1997)
Authors: MONSEES A LASCHAT S KOTILA S FOX T WURTHWEIN EU
Citation: A. Monsees et al., DIASTEREOSELECTIVE SYNTHESIS OF 1-HYDROXY-SUBSTITUTED BENZO[B]QUINOLIDINES AND 11-HYDROXY-SUBSTITUTED AZEPINO[1,2-B]ISOQUINOLINES VIA HETERO-ENE CYCLIZATION (VOL 4, PG 533, 1997), Liebigs Annalen, (5), 1997, pp. 1041-1041
DIASTEREOSELECTIVE SYNTHESIS OF 1-HYDROXY-SUBSTITUTED BENZO[B]QUINOLIDINES AND 11-HYDROXY-SUBSTITUTED AZEPINO[1,2-B]ISOQUINOLINES VIA HETERO-ENE CYCLIZATION
Authors: MONSEES A LASCHAT S KOTILA S FOX T WURTHWEIN EU
Citation: A. Monsees et al., DIASTEREOSELECTIVE SYNTHESIS OF 1-HYDROXY-SUBSTITUTED BENZO[B]QUINOLIDINES AND 11-HYDROXY-SUBSTITUTED AZEPINO[1,2-B]ISOQUINOLINES VIA HETERO-ENE CYCLIZATION, Liebigs Annalen, (3), 1997, pp. 533-540
UNSATURATED HETERO CHAINS .7. THE SYNTHESIS OF 1-THIOACYL-OLIGONITRILES
Authors: BECKMANN A FROHLICH R WURTHWEIN EU
Citation: A. Beckmann et al., UNSATURATED HETERO CHAINS .7. THE SYNTHESIS OF 1-THIOACYL-OLIGONITRILES, Tetrahedron letters, 38(31), 1997, pp. 5481-5484
COMBINED QUANTUM-CHEMICAL AND MM-APPROACH TO THE ENDO EXO SELECTIVITYOF DIELS-ALDER REACTIONS IN POLAR MEDIA/
Authors: SCHLACHTER I MATTAY J SUER J HOWELER U WURTHWEIN G WURTHWEIN EU
Citation: I. Schlachter et al., COMBINED QUANTUM-CHEMICAL AND MM-APPROACH TO THE ENDO EXO SELECTIVITYOF DIELS-ALDER REACTIONS IN POLAR MEDIA/, Tetrahedron, 53(1), 1997, pp. 119-132
SYNTHESIS, STRUCTURE AND ISOMERIZATION OF FLUORINE-CONTAINING 1,2-DIHYDRO-1,3-DIPHOSPHETES
Authors: GROBE J LEVAN D BROSCHK B HEGEMANN M LUTH B BECKER G BOHRINGER M WURTHWEIN EU
Citation: J. Grobe et al., SYNTHESIS, STRUCTURE AND ISOMERIZATION OF FLUORINE-CONTAINING 1,2-DIHYDRO-1,3-DIPHOSPHETES, Journal of organometallic chemistry, 529(1-2), 1997, pp. 177-187
TRIFLUOROMETHANESULFONIC ANHYDRIDE INDUCED CLEAVAGE OF A BIS(IMINOMETHANE) COMPOUND - A NEW ACCESS TO A 1,3-DIARYL-2-AZAALLENIUM TRIFLATE AND A N-((TRIFLUOROMETHYL)SULFONYL)METHANIMINE - SYNTHESIS, STRUCTURES,AND QUANTUM-CHEMICAL CALCULATIONS
Authors: BOTTGER G GEISLER A FROHLICH R WURTHWEIN EU
Citation: G. Bottger et al., TRIFLUOROMETHANESULFONIC ANHYDRIDE INDUCED CLEAVAGE OF A BIS(IMINOMETHANE) COMPOUND - A NEW ACCESS TO A 1,3-DIARYL-2-AZAALLENIUM TRIFLATE AND A N-((TRIFLUOROMETHYL)SULFONYL)METHANIMINE - SYNTHESIS, STRUCTURES,AND QUANTUM-CHEMICAL CALCULATIONS, Journal of organic chemistry, 62(18), 1997, pp. 6407-6411
NMR SPECTROSCOPIC EVIDENCE FOR THE STRUCTURE OF IMINIUM ION-PAIRS
Authors: MAYR H OFIAL AR WURTHWEIN EU AUST NC
Citation: H. Mayr et al., NMR SPECTROSCOPIC EVIDENCE FOR THE STRUCTURE OF IMINIUM ION-PAIRS, Journal of the American Chemical Society, 119(52), 1997, pp. 12727-12733
STRUCTURE AND CHEMICAL BEHAVIOR OF AN ETA(5)-(1-AZAPENTADIENYL)LITHIUM DERIVATIVE GENERATED BY DEPROTONATION REACTIONS STARTING FROM 9-(N-TERT-BUTYLAMINOMETHYL)FLUORENE OR 6-(TERT-BUTYLAMINO)DIBENZOFULVENE
Authors: KONEMANN M ERKER G FROHLICH R WURTHWEIN EU
Citation: M. Konemann et al., STRUCTURE AND CHEMICAL BEHAVIOR OF AN ETA(5)-(1-AZAPENTADIENYL)LITHIUM DERIVATIVE GENERATED BY DEPROTONATION REACTIONS STARTING FROM 9-(N-TERT-BUTYLAMINOMETHYL)FLUORENE OR 6-(TERT-BUTYLAMINO)DIBENZOFULVENE, Journal of the American Chemical Society, 119(46), 1997, pp. 11155-11164
UNSATURATED HETERO CHAINS .5. SYNTHESIS, STRUCTURE, AND REACTIVITY OFALKOXY-SUBSTITUTED 2,4-DIAZAPENTADIENYLIUM SALTS, 2,4,6-TRIAZAHEPTATRIENYLIUM SALTS, AND 2,4,6,8-TETRAAZANONATETRAENYLIUM SALTS
Authors: SCHULTE N FROHLICH R HECHT J WURTHWEIN EU
Citation: N. Schulte et al., UNSATURATED HETERO CHAINS .5. SYNTHESIS, STRUCTURE, AND REACTIVITY OFALKOXY-SUBSTITUTED 2,4-DIAZAPENTADIENYLIUM SALTS, 2,4,6-TRIAZAHEPTATRIENYLIUM SALTS, AND 2,4,6,8-TETRAAZANONATETRAENYLIUM SALTS, Liebigs Annalen, (3), 1996, pp. 371-380
ASYMMETRIC ALKYLATION OF CHIRAL 2-AZAPENTADIENYL METAL-COMPOUNDS - DIASTEREOSELECTIVE SYNTHESIS OF ALKYL-SUBSTITUTED N-ALLYLIMINES (2-AZA-1,4-PENTADIENES)
Authors: STAKEMEIER H WURTHWEIN EU
Citation: H. Stakemeier et Eu. Wurthwein, ASYMMETRIC ALKYLATION OF CHIRAL 2-AZAPENTADIENYL METAL-COMPOUNDS - DIASTEREOSELECTIVE SYNTHESIS OF ALKYL-SUBSTITUTED N-ALLYLIMINES (2-AZA-1,4-PENTADIENES), Liebigs Annalen, (11), 1996, pp. 1833-1843
RING-OPENING REACTIONS OF IMINOAZIRIDINES AND AMINOAZIRINIUM IONS - IS ELECTROCYCLIC RING-OPENING OF 2H-AZIRINIUM IONS A MYTH
Authors: QUAST H ALDENKORTT S FREUDENREICH B SCHAFER P PETERS EM PETERS K VONSCHNERING HG WURTHWEIN EU
Citation: H. Quast et al., RING-OPENING REACTIONS OF IMINOAZIRIDINES AND AMINOAZIRINIUM IONS - IS ELECTROCYCLIC RING-OPENING OF 2H-AZIRINIUM IONS A MYTH, Liebigs Annalen, (1), 1996, pp. 87-98
1,7-ELECTROCYCLIZATION REACTIONS OF 2-AZAHEPTATRIENYL LITHIUM COMPOUNDS - SYNTHESIS OF 1-ACYL-2,3-DIHYDROAZEPINES
Authors: KLOTGEN S FROHLICH R WURTHWEIN EU
Citation: S. Klotgen et al., 1,7-ELECTROCYCLIZATION REACTIONS OF 2-AZAHEPTATRIENYL LITHIUM COMPOUNDS - SYNTHESIS OF 1-ACYL-2,3-DIHYDROAZEPINES, Tetrahedron, 52(47), 1996, pp. 14801-14812
RACEMIZATION BARRIERS OF HELICENES - A COMPUTATIONAL STUDY
Authors: JANKE RH HAUFE G WURTHWEIN EU BORKENT JH
Citation: Rh. Janke et al., RACEMIZATION BARRIERS OF HELICENES - A COMPUTATIONAL STUDY, Journal of the American Chemical Society, 118(25), 1996, pp. 6031-6035
HALOGENATED INDOCYANINES - SYNTHESIS, CONFORMATIONAL BEHAVIOR, AND LIGHT-ABSORPTION
Authors: GRAHN W JOHANNES HH RHEINHEIMER J KNIERIEM B WURTHWEIN EU
Citation: W. Grahn et al., HALOGENATED INDOCYANINES - SYNTHESIS, CONFORMATIONAL BEHAVIOR, AND LIGHT-ABSORPTION, Liebigs Annalen, (6), 1995, pp. 1003-1009
UNSATURATED HETERO CHAINS .4. SYNTHESIS, STRUCTURE, AND PROTONATION OF 1-OXA-3-AZAHEXATRIENES
Authors: MOLDENHAUER JP MOLLER MH RODEWALD U WURTHWEIN EU
Citation: Jp. Moldenhauer et al., UNSATURATED HETERO CHAINS .4. SYNTHESIS, STRUCTURE, AND PROTONATION OF 1-OXA-3-AZAHEXATRIENES, Liebigs Annalen, (6), 1995, pp. 1015-1025
SYNTHESIS AND THERMAL REORGANIZATIONS OF IMINOAZIRIDINES - AB-INITIO CALCULATIONS OF THEIR TRANSITION-STATES, OF DIAZATRIMETHYLENEMETHANES,AND SOME CYCLIC MEMBERS OF THE C2H4N2 POTENTIAL-ENERGY HYPERSURFACE
Authors: QUAST H ALDENKORTT S SCHAFER P SCHMITT E WURTHWEIN EU
Citation: H. Quast et al., SYNTHESIS AND THERMAL REORGANIZATIONS OF IMINOAZIRIDINES - AB-INITIO CALCULATIONS OF THEIR TRANSITION-STATES, OF DIAZATRIMETHYLENEMETHANES,AND SOME CYCLIC MEMBERS OF THE C2H4N2 POTENTIAL-ENERGY HYPERSURFACE, Liebigs Annalen, (12), 1995, pp. 2171-2188
1,7-ELECTROCYCLISATIONS OF 4-AZAHEPTATRIENYL LITHIUM COMPOUNDS TO 4,5-DIHYDROAZEPINES
Authors: KLOTGEN S WURTHWEIN EU
Citation: S. Klotgen et Eu. Wurthwein, 1,7-ELECTROCYCLISATIONS OF 4-AZAHEPTATRIENYL LITHIUM COMPOUNDS TO 4,5-DIHYDROAZEPINES, Tetrahedron letters, 36(39), 1995, pp. 7065-7068
METALATED KETENIMINES - QUINAZOLINE DERIVATIVES FROM BASE-INDUCED DIMERIZATION OF N-PHENYLDIETHYLKETENIMINE - AN EXPERIMENTAL AND THEORETICAL-STUDY
Authors: GERTZMANN R FROHLICH R GREHL M WURTHWEIN EU
Citation: R. Gertzmann et al., METALATED KETENIMINES - QUINAZOLINE DERIVATIVES FROM BASE-INDUCED DIMERIZATION OF N-PHENYLDIETHYLKETENIMINE - AN EXPERIMENTAL AND THEORETICAL-STUDY, Tetrahedron, 51(33), 1995, pp. 9031-9044
METALATED KETENIMINES - DEPROTONATION OF N-ISOPROPYL-DIPHENYLKETENIMINE AND SUBSEQUENT TRAPPING REACTIONS WITH ELECTROPHILES - A THEORETICAL AND EXPERIMENTAL-STUDY
Authors: GERTZMANN R MOLLER MH RODEWALD U FROHLICH R GREHL M WURTHWEIN EU
Citation: R. Gertzmann et al., METALATED KETENIMINES - DEPROTONATION OF N-ISOPROPYL-DIPHENYLKETENIMINE AND SUBSEQUENT TRAPPING REACTIONS WITH ELECTROPHILES - A THEORETICAL AND EXPERIMENTAL-STUDY, Tetrahedron, 51(13), 1995, pp. 3767-3786
PREPARATION OF STABLE PRIMARY ENAMINES - 1-AMINOBUTADIENES BY ALLYL GRIGNARD ADDITION TO ARYL CYANIDES FOLLOWED BY CONTROLLED HYDROLYSIS
Authors: ERKER G RIEDEL M KOCH S JODICKE T WURTHWEIN EU
Citation: G. Erker et al., PREPARATION OF STABLE PRIMARY ENAMINES - 1-AMINOBUTADIENES BY ALLYL GRIGNARD ADDITION TO ARYL CYANIDES FOLLOWED BY CONTROLLED HYDROLYSIS, Journal of organic chemistry, 60(16), 1995, pp. 5284-5290
CYCLOTETRAMERIC SUPERSANDWICH STRUCTURE OF A STRUCTURALLY CONFINED C-1-BRIDGED DILITHIOBIS(CYCLOPENTADIENIDE) - A CASE OF SUPRAMOLECULAR LICP-ASSOCIATION
Authors: KONEMANN M ERKER G GREHL M FROHLICH R WURTHWEIN EU
Citation: M. Konemann et al., CYCLOTETRAMERIC SUPERSANDWICH STRUCTURE OF A STRUCTURALLY CONFINED C-1-BRIDGED DILITHIOBIS(CYCLOPENTADIENIDE) - A CASE OF SUPRAMOLECULAR LICP-ASSOCIATION, Journal of the American Chemical Society, 117(45), 1995, pp. 11215-11219
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