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Results: 1-25 |
Results: 25
ENANTIOSELECTIVE COPPER(I) CATALYZED 1,4-ADDITION OF DIETHYLZINC TO NITROOLEFINS
Authors: SEWALD N WENDISCH V
Citation: N. Sewald et V. Wendisch, ENANTIOSELECTIVE COPPER(I) CATALYZED 1,4-ADDITION OF DIETHYLZINC TO NITROOLEFINS, Tetrahedron : asymmetry, 9(8), 1998, pp. 1341-1344
STEREOSELECTIVE SYNTHESIS OF BETA-HOMOTHREONINE AND 3-AMINO SUBSTITUTED CARBOHYDRATES
Authors: KORNER M FINDEISEN M SEWALD N
Citation: M. Korner et al., STEREOSELECTIVE SYNTHESIS OF BETA-HOMOTHREONINE AND 3-AMINO SUBSTITUTED CARBOHYDRATES, Tetrahedron letters, 39(21), 1998, pp. 3463-3464
SYNTHESIS OF FMOC-BETA-HOMOAMINO ACIDS BY ULTRASOUND-PROMOTED WOLFF REARRANGEMENT
Authors: MULLER A VOGT C SEWALD N
Citation: A. Muller et al., SYNTHESIS OF FMOC-BETA-HOMOAMINO ACIDS BY ULTRASOUND-PROMOTED WOLFF REARRANGEMENT, Synthesis, (6), 1998, pp. 837-841
TANDEM PROTOCOL FOR THE STEREOSELECTIVE SYNTHESIS OF DIFFERENT POLYFUNCTIONAL BETA-AMINO ACIDS AND 3-AMINO-SUBSTITUTED CARBOHYDRATES
Authors: SEWALD N HILLER KD KORNER M FINDEISEN M
Citation: N. Sewald et al., TANDEM PROTOCOL FOR THE STEREOSELECTIVE SYNTHESIS OF DIFFERENT POLYFUNCTIONAL BETA-AMINO ACIDS AND 3-AMINO-SUBSTITUTED CARBOHYDRATES, Journal of organic chemistry, 63(21), 1998, pp. 7263-7274
ENANTIOSELECTIVE COPPER(I) CATALYZED 1,4-ADDITION OF DIETHYLZINC TO CYCLOHEXENONE - ASYMMETRIC INDUCTION AS AN UNEXPECTED SOURCE OF STRUCTURAL INFORMATION
Authors: WENDISCH V SEWALD N
Citation: V. Wendisch et N. Sewald, ENANTIOSELECTIVE COPPER(I) CATALYZED 1,4-ADDITION OF DIETHYLZINC TO CYCLOHEXENONE - ASYMMETRIC INDUCTION AS AN UNEXPECTED SOURCE OF STRUCTURAL INFORMATION, Tetrahedron : asymmetry, 8(8), 1997, pp. 1253-1257
C-TERMINAL INCORPORATION OF ALPHA-TRIFLUOROMETHYL-SUBSTITUTED AMINO-ACIDS INTO PEPTIDES VIA IN-SITU DEPROTECTION OF N-TEOC DERIVATIVES
Authors: HOLLWECK W SEWALD N MICHEL T BURGER K
Citation: W. Hollweck et al., C-TERMINAL INCORPORATION OF ALPHA-TRIFLUOROMETHYL-SUBSTITUTED AMINO-ACIDS INTO PEPTIDES VIA IN-SITU DEPROTECTION OF N-TEOC DERIVATIVES, Liebigs Annalen, (12), 1997, pp. 2549-2551
NEW EFFICIENT SYNTHESES OF ALPHA-DIFLUOROMETHYL-ORNITHINE AND ALPHA-TRIFLUOROMETHYL-ORNITHINE
Authors: OSIPOV SN GOLUBEV AS SEWALD N BURGER K
Citation: Sn. Osipov et al., NEW EFFICIENT SYNTHESES OF ALPHA-DIFLUOROMETHYL-ORNITHINE AND ALPHA-TRIFLUOROMETHYL-ORNITHINE, Tetrahedron letters, 38(34), 1997, pp. 5965-5966
SYNTHESIS OF HOMOCHIRAL CAMPHOR ANNULATED PYRROLE DERIVATIVES
Authors: SEWALD N WENDISCH V
Citation: N. Sewald et V. Wendisch, SYNTHESIS OF HOMOCHIRAL CAMPHOR ANNULATED PYRROLE DERIVATIVES, Tetrahedron : asymmetry, 7(5), 1996, pp. 1269-1272
STEREOSELECTIVE SYNTHESIS OF BETA-AMINO ACIDS VIA CONJUGATE ADDITION OF NITROGEN NUCLEOPHILES TO ALPHA-BETA-UNSATURATED ESTERS - RECENT ADVANCES
Authors: SEWALD N
Citation: N. Sewald, STEREOSELECTIVE SYNTHESIS OF BETA-AMINO ACIDS VIA CONJUGATE ADDITION OF NITROGEN NUCLEOPHILES TO ALPHA-BETA-UNSATURATED ESTERS - RECENT ADVANCES, Amino acids, 11(3-4), 1996, pp. 397-408
PEPTIDE MODIFICATION BY INCORPORATION OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED AMINO-ACIDS
Authors: KOKSCH B SEWALD N BURGER K JAKUBKE HD
Citation: B. Koksch et al., PEPTIDE MODIFICATION BY INCORPORATION OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED AMINO-ACIDS, Amino acids, 11(3-4), 1996, pp. 425-434
SYNTHESIS OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED ALPHA-AMINO-ACID DERIVATIVES FROM METHYL 3,3,3-TRIFLUORO-2-DIAZOPROPIONATE
Authors: OSIPOV SN SEWALD N KOLOMIETS AF FOKIN AV BURGER K
Citation: Sn. Osipov et al., SYNTHESIS OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED ALPHA-AMINO-ACID DERIVATIVES FROM METHYL 3,3,3-TRIFLUORO-2-DIAZOPROPIONATE, Tetrahedron letters, 37(5), 1996, pp. 615-618
SYNTHESIS OF GAMMA-OXO ALPHA-AMINO-ACIDS FROM L-ASPARTIC ACID
Authors: GOLUBEV AS SEWALD N BURGER K
Citation: As. Golubev et al., SYNTHESIS OF GAMMA-OXO ALPHA-AMINO-ACIDS FROM L-ASPARTIC ACID, Tetrahedron, 52(47), 1996, pp. 14757-14776
A NEW STRATEGY FOR THE SYNTHESIS OF ALPHA-DIFLUOROMETHYL-SUBSTITUTED ALPHA-HYDROXY AND ALPHA-AMINO-ACIDS
Authors: OSIPOV SN GOLUBEV AS SEWALD N MICHEL T KOLOMIETS AF FOKIN AV BURGER K
Citation: Sn. Osipov et al., A NEW STRATEGY FOR THE SYNTHESIS OF ALPHA-DIFLUOROMETHYL-SUBSTITUTED ALPHA-HYDROXY AND ALPHA-AMINO-ACIDS, Journal of organic chemistry, 61(21), 1996, pp. 7521-7528
ASYMMETRIC-SYNTHESIS OF BETA-AMINO ACIDS AND ALPHA-DEUTERATED BETA-AMINO ACIDS VIA CONJUGATE ADDITION OF HOMOCHIRAL AMIDOCUPRATES
Authors: SEWALD N HILLER KD HELMREICH B
Citation: N. Sewald et al., ASYMMETRIC-SYNTHESIS OF BETA-AMINO ACIDS AND ALPHA-DEUTERATED BETA-AMINO ACIDS VIA CONJUGATE ADDITION OF HOMOCHIRAL AMIDOCUPRATES, Liebigs Annalen, (5), 1995, pp. 925-928
PEPTIDE MODIFICATION BY INTRODUCTION OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED AMINO-ACIDS
Authors: SEWALD N HOLLWECK W MUTZE K SCHIERLINGER C SEYMOUR LC GAA K BURGER K KOKSCH B JAKUBKE HD
Citation: N. Sewald et al., PEPTIDE MODIFICATION BY INTRODUCTION OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED AMINO-ACIDS, Amino acids, 8(2), 1995, pp. 187-194
METHYL 3,3-DIFLUORO-2-HYDROXYACRYLATE - A NEW METASTABLE ENOL
Authors: OSIPOV SN GOLUBEV A SEWALD N KOLOMIETS AF FOKIN AV BURGER K
Citation: Sn. Osipov et al., METHYL 3,3-DIFLUORO-2-HYDROXYACRYLATE - A NEW METASTABLE ENOL, Synlett, (12), 1995, pp. 1269
HEXAFLUOROACETONE AS ACTIVATING AND PROTECTING REAGENT IN AMINO-ACID AND PEPTIDE CHEMISTRY .19. AN EFFICIENT APPROACH TO THE FAMILY OF 4-SUBSTITUTED PIPECOLIC ACIDS - SYNTHESES OF 4-OXO-HYDROXY-L-PIPECOLIC, CIS-4-HYDROXY-L-PIPECOLIC, AND TRANS-4-HYDROXY-L-PIPECOLIC ACIDS FROM L-ASPARTIC ACID
Authors: GOLUBEV A SEWALD N BURGER K
Citation: A. Golubev et al., HEXAFLUOROACETONE AS ACTIVATING AND PROTECTING REAGENT IN AMINO-ACID AND PEPTIDE CHEMISTRY .19. AN EFFICIENT APPROACH TO THE FAMILY OF 4-SUBSTITUTED PIPECOLIC ACIDS - SYNTHESES OF 4-OXO-HYDROXY-L-PIPECOLIC, CIS-4-HYDROXY-L-PIPECOLIC, AND TRANS-4-HYDROXY-L-PIPECOLIC ACIDS FROM L-ASPARTIC ACID, Tetrahedron letters, 36(12), 1995, pp. 2037-2040
ASYMMETRIC-SYNTHESIS OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED AMINO-ACIDSVIA 3-HYDROXY-3-TRIFLUOROMETHYL-2,5-DIKETOPIPERAZINES
Authors: SEWALD N SEYMOUR LC BURGER K OSIPOV SN KOLOMIETS AF FOKIN AV
Citation: N. Sewald et al., ASYMMETRIC-SYNTHESIS OF ALPHA-TRIFLUOROMETHYL SUBSTITUTED AMINO-ACIDSVIA 3-HYDROXY-3-TRIFLUOROMETHYL-2,5-DIKETOPIPERAZINES, Tetrahedron : asymmetry, 5(6), 1994, pp. 1051-1060
SILAHETEROCYCLES .30. COMPETING REACTIONS OF SILENES - [2+2], [4+2], AND [6+2] CYCLOADDITIONS WITH CYCLOHEPTADIENE AND CYCLOHEPTATRIENE
Authors: ZICHE W SEIDENSCHWARZ C AUNER N HERDTWECK E SEWALD N
Citation: W. Ziche et al., SILAHETEROCYCLES .30. COMPETING REACTIONS OF SILENES - [2+2], [4+2], AND [6+2] CYCLOADDITIONS WITH CYCLOHEPTADIENE AND CYCLOHEPTATRIENE, Angewandte Chemie, International Edition in English, 33(1), 1994, pp. 77-80
SYNTHESIS OF (2S)-4,4-DIFLUOROPROLINE, (2S,4R)-4-FLUOROPROLINE AND THEIR DERIVATIVES FROM (S)-ASPARTIC ACID [1]
Authors: BURGER K RUDOLPH M FEHN S SEWALD N
Citation: K. Burger et al., SYNTHESIS OF (2S)-4,4-DIFLUOROPROLINE, (2S,4R)-4-FLUOROPROLINE AND THEIR DERIVATIVES FROM (S)-ASPARTIC ACID [1], Journal of fluorine chemistry, 66(1), 1994, pp. 87-90
ALPHA-TRIFLUOROMETHYL SUBSTITUTED ALPHA-AMINO-ACIDS AND ALPHA-HYDROXYACIDS WITH ORGANOMETALLIC MOIETIES IN THE SIDE-CHAIN
Authors: SEWALD N GAA K BURGER K
Citation: N. Sewald et al., ALPHA-TRIFLUOROMETHYL SUBSTITUTED ALPHA-AMINO-ACIDS AND ALPHA-HYDROXYACIDS WITH ORGANOMETALLIC MOIETIES IN THE SIDE-CHAIN, Heteroatom chemistry, 4(2-3), 1993, pp. 253-258
THE EFFECT OF PH ON THE SOLUTION STRUCTURE OF DELTA(1)-PYRROLINE-2-CARBOXYLIC ACID AS REVEALED BY NMR AND ELECTROSPRAY MASS-SPECTROSCOPY
Authors: LEWIS ML ROWE CJ SEWALD N SUTHERLAND JD WILSON EJ WRIGHT MC
Citation: Ml. Lewis et al., THE EFFECT OF PH ON THE SOLUTION STRUCTURE OF DELTA(1)-PYRROLINE-2-CARBOXYLIC ACID AS REVEALED BY NMR AND ELECTROSPRAY MASS-SPECTROSCOPY, Bioorganic & medicinal chemistry letters, 3(6), 1993, pp. 1193-1196
SILAHETEROCYCLES .26. FACILE SYNTHESIS OF SILICON DICHLORO SUBSTITUTED 3-VINYL-1-SILACYCLOBUTANES FROM SILENE BUTADIENE [2- MODEL COMPOUNDSFOR VINYLSILACYCLOBUTANE -] SILACYCLOHEXENE REARRANGEMENTS(2] CYCLOADDITION REACTIONS )
Authors: SEWALD N ZICHE W WOLFF A AUNER N
Citation: N. Sewald et al., SILAHETEROCYCLES .26. FACILE SYNTHESIS OF SILICON DICHLORO SUBSTITUTED 3-VINYL-1-SILACYCLOBUTANES FROM SILENE BUTADIENE [2- MODEL COMPOUNDSFOR VINYLSILACYCLOBUTANE -] SILACYCLOHEXENE REARRANGEMENTS(2] CYCLOADDITION REACTIONS ), Organometallics, 12(10), 1993, pp. 4123-4134
HEXAFLUOROACETONE AS ACTIVATING AND PROTECTING REAGENT IN AMINO-ACID AND PEPTIDE CHEMISTRY .17. AN EFFICIENT SYNTHESIS OF 5-HYDROXY-4-OXO-L-NORVALINE FROM L-ASPARTIC ACID
Authors: GOLUBEV A SEWALD N BURGER K
Citation: A. Golubev et al., HEXAFLUOROACETONE AS ACTIVATING AND PROTECTING REAGENT IN AMINO-ACID AND PEPTIDE CHEMISTRY .17. AN EFFICIENT SYNTHESIS OF 5-HYDROXY-4-OXO-L-NORVALINE FROM L-ASPARTIC ACID, Tetrahedron letters, 34(37), 1993, pp. 5879-5880
REACTIONS OF 3,3,3-TRIFLUOROPYRUVATES WITH AMIDINES - NEW TRIFLUOROMETHYL-SUBSTITUTED HETEROCYCLIC BUILDING-BLOCKS
Authors: SEWALD N BURGER K
Citation: N. Sewald et K. Burger, REACTIONS OF 3,3,3-TRIFLUOROPYRUVATES WITH AMIDINES - NEW TRIFLUOROMETHYL-SUBSTITUTED HETEROCYCLIC BUILDING-BLOCKS, Monatshefte fuer Chemie, 124(8-9), 1993, pp. 899-907
Risultati: 1-25 |