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Results: 1-25 | 26-28
Results: 1-25/28
SYNTHESIS OF AZAPOLYCYCLIC SYSTEMS BASED ON THE INDOLIZINO[3,4-B]QUINOLINE SKELETON - A DIASTEREOSELECTIVE ENTRY TO POTENTIAL OLIGODENTATE ARTIFICIAL RECEPTORS
Authors: TEMME O DICKNER T LASCHAT S FROHLICH R KOTILA S BERGANDER K
Citation: O. Temme et al., SYNTHESIS OF AZAPOLYCYCLIC SYSTEMS BASED ON THE INDOLIZINO[3,4-B]QUINOLINE SKELETON - A DIASTEREOSELECTIVE ENTRY TO POTENTIAL OLIGODENTATE ARTIFICIAL RECEPTORS, EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, (4), 1998, pp. 651-659
EVALUATION OF PROTECTING GROUPS FOR 3-HYDROXYISOXAZOLES - SHORT ACCESS TO 3-ALKOXYISOXAZOLE-5-CARBALDEHYDES AND 3-HYDROXYISOXAZOLE-5-CARBALDEHYDE, THE PUTATIVE TOXIC METABOLITE OF MUSCIMOL
Authors: RIESS R SCHON M LASCHAT S JAGER O
Citation: R. Riess et al., EVALUATION OF PROTECTING GROUPS FOR 3-HYDROXYISOXAZOLES - SHORT ACCESS TO 3-ALKOXYISOXAZOLE-5-CARBALDEHYDES AND 3-HYDROXYISOXAZOLE-5-CARBALDEHYDE, THE PUTATIVE TOXIC METABOLITE OF MUSCIMOL, EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, (3), 1998, pp. 473-479
CONVERGENT SYNTHESIS OF COLUMNAR TWINS AND TETRAMERS FROM TRIPHENYLENE BUILDING-BLOCKS - THE FIRST EXAMPLE OF A COLUMNAR SPIRO-TWIN
Authors: SCHULTE JL LASCHAT S VILL V NISHIKAWA E FINKELMANN H NIMTZ M
Citation: Jl. Schulte et al., CONVERGENT SYNTHESIS OF COLUMNAR TWINS AND TETRAMERS FROM TRIPHENYLENE BUILDING-BLOCKS - THE FIRST EXAMPLE OF A COLUMNAR SPIRO-TWIN, EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, (11), 1998, pp. 2499-2506
DIASTEREOSELECTIVE SYNTHESIS OF OCTAHYDRO-14H-BENZO[G]QUINOLINO[2,3-A]QUINOLIDINES - IMPROVED CYTOTOXIC ACTIVITY AGAINST HUMAN BRAIN-TUMOR CELL-LINES AS A RESULT OF THE INCREASED RIGIDITY OF THE MOLECULAR BACKBONE
Authors: MONSEES A LASCHAT S HOTFILDER M JONES PG
Citation: A. Monsees et al., DIASTEREOSELECTIVE SYNTHESIS OF OCTAHYDRO-14H-BENZO[G]QUINOLINO[2,3-A]QUINOLIDINES - IMPROVED CYTOTOXIC ACTIVITY AGAINST HUMAN BRAIN-TUMOR CELL-LINES AS A RESULT OF THE INCREASED RIGIDITY OF THE MOLECULAR BACKBONE, Bioorganic & medicinal chemistry letters, 8(20), 1998, pp. 2881-2884
FOREWORD TO THIS ISSUE
Authors: LASCHAT S
Citation: S. Laschat, FOREWORD TO THIS ISSUE, Journal fur praktische Chemie, Chemiker-Zeitung, 340(4), 1998, pp. 8-8
CONVENIENT PREPARATION OF AROMATIC-ALDEHYDES VIA DDQ OXIDATION - APPLICATION IN THE SYNTHESIS OF A TRIPODAND CONTAINING OCTAHYDROACRIDINE MOIETIES
Authors: TEMME O FROHLICH R LASCHAT S
Citation: O. Temme et al., CONVENIENT PREPARATION OF AROMATIC-ALDEHYDES VIA DDQ OXIDATION - APPLICATION IN THE SYNTHESIS OF A TRIPODAND CONTAINING OCTAHYDROACRIDINE MOIETIES, Journal fur praktische Chemie, Chemiker-Zeitung, 340(4), 1998, pp. 341-345
AMINE N-OXIDES DERIVED FROM ALKALOIDS AS CHIRAL PROMOTERS IN ENANTIOSELECTIVE PAUSON-KHAND REACTIONS
Authors: DERDAU V LASCHAT S JONES PG
Citation: V. Derdau et al., AMINE N-OXIDES DERIVED FROM ALKALOIDS AS CHIRAL PROMOTERS IN ENANTIOSELECTIVE PAUSON-KHAND REACTIONS, Heterocycles, 48(7), 1998, pp. 1445-1453
PREPARATION OF (ETA(6)-ALKOXYTRIPHENYLENE)TRICARBONYL CHROMIUM(0) COMPLEXES - MESOMORPHIC PROPERTIES OF A DISK-SHAPED CHROMIUM-ARENE COMPLEX
Authors: SCHULTE JL LASCHAT S SCHULTELADBECK R VONARNIM V SCHNEIDER A FINKELMANN H
Citation: Jl. Schulte et al., PREPARATION OF (ETA(6)-ALKOXYTRIPHENYLENE)TRICARBONYL CHROMIUM(0) COMPLEXES - MESOMORPHIC PROPERTIES OF A DISK-SHAPED CHROMIUM-ARENE COMPLEX, Journal of organometallic chemistry, 552(1-2), 1998, pp. 171-176
SYNTHESIS AND IN-VITRO CYTOTOXIC ACTIVITY OF NOVEL HEXAHYDRO-2H-PYRIDO[1,2-B]ISOQUINOLINES AGAINST HUMAN BRAIN-TUMOR CELL-LINES
Authors: MONSEES A LASCHAT S HOTFILDER M WOLFF J BERGANDER K TERFLOTH L FROHLICH R
Citation: A. Monsees et al., SYNTHESIS AND IN-VITRO CYTOTOXIC ACTIVITY OF NOVEL HEXAHYDRO-2H-PYRIDO[1,2-B]ISOQUINOLINES AGAINST HUMAN BRAIN-TUMOR CELL-LINES, Bioorganic & medicinal chemistry letters, 7(23), 1997, pp. 2945-2950
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
NEW SYNTHETIC PATHWAYS TO NITROGEN-HETEROCYCLES
Authors: LASCHAT S
Citation: S. Laschat, NEW SYNTHETIC PATHWAYS TO NITROGEN-HETEROCYCLES, Liebigs Annalen, (1), 1997, pp. 1-11
STRUCTURAL AND ELECTROCHEMICAL PROPERTIES OF A NOVEL N,N'-DIALKYL-SUBSTITUTED QUINONE DIIMINE
Authors: TEMME O LASCHAT S FROHLICH R WIBBELING B HEINZE J HAUSER P
Citation: O. Temme et al., STRUCTURAL AND ELECTROCHEMICAL PROPERTIES OF A NOVEL N,N'-DIALKYL-SUBSTITUTED QUINONE DIIMINE, Perkin transactions. 2, (10), 1997, pp. 2083-2085
ENANTIOSELECTIVE APPROACH TOWARDS POTENTIAL SUBSTANCE-P ANTAGONISTS VIA HETERO-ENE REACTION OF PHENYLGLYCINE DERIVATIVES
Authors: LASCHAT S FOX T
Citation: S. Laschat et T. Fox, ENANTIOSELECTIVE APPROACH TOWARDS POTENTIAL SUBSTANCE-P ANTAGONISTS VIA HETERO-ENE REACTION OF PHENYLGLYCINE DERIVATIVES, Synthesis, (4), 1997, pp. 475
ORGANIC SOLID-STATE CHEMISTRY .2.
Authors: LASCHAT S
Citation: S. Laschat, ORGANIC SOLID-STATE CHEMISTRY .2., Chemie in Unserer Zeit, 31(3), 1997, pp. 140-145
PERICYCLIC-REACTIONS IN BIOLOGICAL-SYSTEMS - DOES NATURE KNOW ABOUT THE DIELS-ALDER REACTION
Authors: LASCHAT S
Citation: S. Laschat, PERICYCLIC-REACTIONS IN BIOLOGICAL-SYSTEMS - DOES NATURE KNOW ABOUT THE DIELS-ALDER REACTION, Angewandte Chemie, International Edition in English, 35(3), 1996, pp. 289-291
SYNTHESIS OF ETA(6)-(OCTAHYDROACRIDINE)-CHROMIUMTRICARBONYL COMPLEXESWITH NONPOLAR TAILS VIA MOLECULAR SIEVES-CATALYZED CYCLIZATION OF N-ARYLIMINES AND SUBSEQUENT DIASTEREOSELECTIVE COMPLEXATION
Authors: SCHULTE JL LASCHAT S KOTILA S HECHT J FROHLICH R WIBBELING B
Citation: Jl. Schulte et al., SYNTHESIS OF ETA(6)-(OCTAHYDROACRIDINE)-CHROMIUMTRICARBONYL COMPLEXESWITH NONPOLAR TAILS VIA MOLECULAR SIEVES-CATALYZED CYCLIZATION OF N-ARYLIMINES AND SUBSEQUENT DIASTEREOSELECTIVE COMPLEXATION, Heterocycles, 43(12), 1996, pp. 2713-2724
EVIDENCE FOR A STEPWISE MECHANISM IN FORMAL HETERO-DIELS-ALDER REACTIONS OF N-ARYLIMINES
Authors: LINKERT F LASCHAT S KOTILA S FOX T
Citation: F. Linkert et al., EVIDENCE FOR A STEPWISE MECHANISM IN FORMAL HETERO-DIELS-ALDER REACTIONS OF N-ARYLIMINES, Tetrahedron, 52(3), 1996, pp. 955-970
PREPARATION OF 2,3,4-TRISUBSTITUTED PIPERIDINES BY A FORMAL HETERO-ENE REACTION OF AMINO-ACID DERIVATIVES
Authors: LASCHAT S FROHLICH R WIBBELING B
Citation: S. Laschat et al., PREPARATION OF 2,3,4-TRISUBSTITUTED PIPERIDINES BY A FORMAL HETERO-ENE REACTION OF AMINO-ACID DERIVATIVES, Journal of organic chemistry, 61(8), 1996, pp. 2829-2838
CHELATION CONTROL BY A 2ND NITROGEN ATOM IN FORMAL HETERO-DIELS-ALDERREACTIONS OF N-ARYLIMINES
Authors: LINKERT F LASCHAT S KNICKMEIER M
Citation: F. Linkert et al., CHELATION CONTROL BY A 2ND NITROGEN ATOM IN FORMAL HETERO-DIELS-ALDERREACTIONS OF N-ARYLIMINES, Liebigs Annalen, (6), 1995, pp. 985-993
EFFECT OF MOLECULAR-SIEVES ON THE FORMATION AND ACID-CATALYZED MONO-CYCLIZATION AND BIS-CYCLIZATION OF N-ARYLIMINES - EASY ENTRY TO POLYCYCLIC RING-SYSTEMS BY A NOVEL CASCADE REACTION
Authors: TEMME O LASCHAT S
Citation: O. Temme et S. Laschat, EFFECT OF MOLECULAR-SIEVES ON THE FORMATION AND ACID-CATALYZED MONO-CYCLIZATION AND BIS-CYCLIZATION OF N-ARYLIMINES - EASY ENTRY TO POLYCYCLIC RING-SYSTEMS BY A NOVEL CASCADE REACTION, Journal of the Chemical Society. Perkin transactions. I, (2), 1995, pp. 125-131
INTRAMOLECULAR HETERO-DIELS-ALDER REACTION OF PROLINAL-DERIVED N-ARYLIMINES LEWIS ACID-DEPENDENT REVERSAL OF THE DIASTEREOSELECTIVITY
Authors: LINKERT F LASCHAT S
Citation: F. Linkert et S. Laschat, INTRAMOLECULAR HETERO-DIELS-ALDER REACTION OF PROLINAL-DERIVED N-ARYLIMINES LEWIS ACID-DEPENDENT REVERSAL OF THE DIASTEREOSELECTIVITY, Synlett, (2), 1994, pp. 125-126
DIASTEREOSELECTIVE SYNTHESIS OF AMINO-SUBSTITUTED INDOLIZIDINES AND QUINOLIZIDINES BY THE INTRAMOLECULAR HETERO-ENE REACTION OF PROLINAL IMINE AND 2-PIPERIDINE CARBALDIMINE
Authors: LASCHAT S GREHL M
Citation: S. Laschat et M. Grehl, DIASTEREOSELECTIVE SYNTHESIS OF AMINO-SUBSTITUTED INDOLIZIDINES AND QUINOLIZIDINES BY THE INTRAMOLECULAR HETERO-ENE REACTION OF PROLINAL IMINE AND 2-PIPERIDINE CARBALDIMINE, Angewandte Chemie, International Edition in English, 33(4), 1994, pp. 458-461
2 OCTAHYDROACRIDINES
Authors: FROHLICH R GREHL M KRAMMGLADE S LASCHAT S
Citation: R. Frohlich et al., 2 OCTAHYDROACRIDINES, Acta crystallographica. Section C, Crystal structure communications, 50, 1994, pp. 1798-1801
APPLICATION OF INTRAMOLECULAR HECK REACTIONS TO THE PREPARATION OF STEROID AND TERPENE INTERMEDIATES HAVING CIS A-B RING FUSIONS - MODEL STUDIES FOR THE TOTAL SYNTHESIS OF COMPLEX CARDENOLIDES
Authors: LASCHAT S NARJES F OVERMAN LE
Citation: S. Laschat et al., APPLICATION OF INTRAMOLECULAR HECK REACTIONS TO THE PREPARATION OF STEROID AND TERPENE INTERMEDIATES HAVING CIS A-B RING FUSIONS - MODEL STUDIES FOR THE TOTAL SYNTHESIS OF COMPLEX CARDENOLIDES, Tetrahedron, 50(2), 1994, pp. 347-358
Risultati: 1-25 | 26-28