AAAAAA

   
Results: 1-24 |
Results: 24
PREDOMINANCE OF RESONANCE OVER POLAR EFFECTS ON H-1, C-13 AND N-15 NMR SUBSTITUENT CHEMICAL-SHIFTS IN N-ARYLGLYCINES
Authors: GAWINECKI R KOLEHMAINEN E KUCYBALA Z OSMIALOWSKI B KAUPPINEN R
Citation: R. Gawinecki et al., PREDOMINANCE OF RESONANCE OVER POLAR EFFECTS ON H-1, C-13 AND N-15 NMR SUBSTITUENT CHEMICAL-SHIFTS IN N-ARYLGLYCINES, Magnetic resonance in chemistry, 36(11), 1998, pp. 848-854
H-1 AND C-13 NMR-STUDIES OF PARASUBSTITUTED BENZALDOXIMES FOR EVALUATION OF THE ELECTRON-DONOR PROPERTIES OF SUBSTITUTED AMINO-GROUPS
Authors: GAWINECKI R KOLEHMAINEN E KAUPPINEN R
Citation: R. Gawinecki et al., H-1 AND C-13 NMR-STUDIES OF PARASUBSTITUTED BENZALDOXIMES FOR EVALUATION OF THE ELECTRON-DONOR PROPERTIES OF SUBSTITUTED AMINO-GROUPS, Perkin transactions. 2, (1), 1998, pp. 25-29
EFFICIENCY OF THE VILSMEIER-HAACK METHOD IN THE SYNTHESIS OF P-AMINOBENZALDEHYDES
Authors: GAWINECKI R ANDRZEJAK S PUCHALA A
Citation: R. Gawinecki et al., EFFICIENCY OF THE VILSMEIER-HAACK METHOD IN THE SYNTHESIS OF P-AMINOBENZALDEHYDES, Organic preparations and procedures international, 30(4), 1998, pp. 455-460
POSSIBLE ACTIVE SYNTHETIC ANTITUMOR AGENTS AGAINST EHRLICH ACITES CARCINOMA
Authors: GIRGES MM HANNA MA GAWINECKI R
Citation: Mm. Girges et al., POSSIBLE ACTIVE SYNTHETIC ANTITUMOR AGENTS AGAINST EHRLICH ACITES CARCINOMA, Naunyn-Schmiedeberg's archives of pharmacology, 358(1), 1998, pp. 4529-4529
AN O-17 NMR-SPECTROSCOPY STUDY OF 3-SUBSTITUTED 4-NITROPYRIDINE N-OXIDES
Authors: PERJESSY A RASALA D GAWINECKI R BOYKIN DW
Citation: A. Perjessy et al., AN O-17 NMR-SPECTROSCOPY STUDY OF 3-SUBSTITUTED 4-NITROPYRIDINE N-OXIDES, Heterocyclic communications, 3(2), 1997, pp. 123-126
NMR SPECTRAL ASSIGNMENT OF SUBSTITUTED SALICYLALDOXIMES BY INVERSE PULSE TECHNIQUES WITH Z-GRADIENT SELECTION - CORRELATION OF NMR PARAMETERS WITH SUBSTITUENT CONSTANTS
Authors: KOLEHMAINEN E GAWINECKI R OSMIALOWSKI B TRZEBIATOWSKA K
Citation: E. Kolehmainen et al., NMR SPECTRAL ASSIGNMENT OF SUBSTITUTED SALICYLALDOXIMES BY INVERSE PULSE TECHNIQUES WITH Z-GRADIENT SELECTION - CORRELATION OF NMR PARAMETERS WITH SUBSTITUENT CONSTANTS, Magnetic resonance in chemistry, 35(11), 1997, pp. 778-784
TAUTOMERIC AND CONFORMATIONAL PREFERENCES IN NITRAMINOPYRIDINES - COMPARISON OF THEORETICAL AND EXPERIMENTAL-DATA
Authors: GAWINECKI R RACZYNSKA ED RASALA D STYRCZ S
Citation: R. Gawinecki et al., TAUTOMERIC AND CONFORMATIONAL PREFERENCES IN NITRAMINOPYRIDINES - COMPARISON OF THEORETICAL AND EXPERIMENTAL-DATA, Tetrahedron, 53(50), 1997, pp. 17211-17220
RESONANCE INTERACTIONS IN THE N-NITRAMINO GROUP - X-RAY STUDY OF ALPHA-NITRAMINOPYRIDINE, BETA-NITRAMINOPYRIDINE AND GAMMA-NITRAMINOPYRIDINE
Authors: KRYGOWSKI TM PAWLAK D ANULEWICZ R RASALA D GAWINECKI R HAFELINGER G HOMSI MN KUSKE FKH
Citation: Tm. Krygowski et al., RESONANCE INTERACTIONS IN THE N-NITRAMINO GROUP - X-RAY STUDY OF ALPHA-NITRAMINOPYRIDINE, BETA-NITRAMINOPYRIDINE AND GAMMA-NITRAMINOPYRIDINE, Acta chemica Scandinavica, 50(9), 1996, pp. 808-815
TRANSMISSION OF ELECTRONIC EFFECTS IN 4-ARYL-2,6-DIPHENYLPYRYLIUM PERCHLORATES AND RELATED-COMPOUNDS
Authors: RASALA D BAK T KOLEHMAINEN E STYRCZ S GAWINECKI R
Citation: D. Rasala et al., TRANSMISSION OF ELECTRONIC EFFECTS IN 4-ARYL-2,6-DIPHENYLPYRYLIUM PERCHLORATES AND RELATED-COMPOUNDS, Journal of physical organic chemistry, 9(9), 1996, pp. 631-638
ARYLPYRIDINES .1. SYNTHESIS AND X-RAY STUDIES OF 1-METHYL-(NITROPHENYL) PYRIDINIUM SALTS
Authors: GAWINECKI R RASALA D CIESIELSKI A
Citation: R. Gawinecki et al., ARYLPYRIDINES .1. SYNTHESIS AND X-RAY STUDIES OF 1-METHYL-(NITROPHENYL) PYRIDINIUM SALTS, Polish Journal of Chemistry, 70(2), 1996, pp. 180-187
ARYLPYRIDINES .2. QUATERNIZATION OF [(N,N-DIMETHYLAMINO)PHENYL]PYRIDINES
Authors: GAWINECKI R BAK T RASALA D STYRCZ S
Citation: R. Gawinecki et al., ARYLPYRIDINES .2. QUATERNIZATION OF [(N,N-DIMETHYLAMINO)PHENYL]PYRIDINES, Polish Journal of Chemistry, 70(2), 1996, pp. 188-192
ASSESSMENT OF SUBSTITUENT EFFECTS FOR ORTHO-NITROBENZENES AND 2,4-DINITROBENZENES BY IR AND O-17 NMR-SPECTROSCOPY
Authors: PERJESSY A RASALA D GAWINECKI R BOYKIN DW
Citation: A. Perjessy et al., ASSESSMENT OF SUBSTITUENT EFFECTS FOR ORTHO-NITROBENZENES AND 2,4-DINITROBENZENES BY IR AND O-17 NMR-SPECTROSCOPY, Journal of molecular structure, 382(2), 1996, pp. 93-99
SUBSTITUENT EFFECTS ON THE GEOMETRY OF THE PYRIDINE RING IN 1-METHYL-4-(4-R-PHENYL)-2,6-DIPHENYLPYRIDINIUM PERCHLORATES
Authors: ANULEWICZ R BAK T CYRANSKI M KRYGOWSKI TM PAWLAK D PNIEWSKA B RASALA D GAWINECKI R
Citation: R. Anulewicz et al., SUBSTITUENT EFFECTS ON THE GEOMETRY OF THE PYRIDINE RING IN 1-METHYL-4-(4-R-PHENYL)-2,6-DIPHENYLPYRIDINIUM PERCHLORATES, Acta chemica Scandinavica, 49(7), 1995, pp. 515-523
THE TAUTOMERISM OF NITRAMINOPYRIDINES
Authors: GAWINECKI R KOLEHMAINEN E RASALA D SUONTAMO R
Citation: R. Gawinecki et al., THE TAUTOMERISM OF NITRAMINOPYRIDINES, Journal of physical organic chemistry, 8(10), 1995, pp. 689-695
SUBSTITUENT EFFECT ON THE FREQUENCIES OF NO2 STRETCHING VIBRATIONS INVICINALLY-SUBSTITUTED NITROPYRIDINES
Authors: PERJESSY A RASALA D GAWINECKI R
Citation: A. Perjessy et al., SUBSTITUENT EFFECT ON THE FREQUENCIES OF NO2 STRETCHING VIBRATIONS INVICINALLY-SUBSTITUTED NITROPYRIDINES, Polish Journal of Chemistry, 69(12), 1995, pp. 1659-1662
MULTINUCLEAR MAGNETIC-RESONANCE STUDY OF 2,4,6-TRIARYLPYRIDINES, 1-METHYL-2,4,6-TRIARYLPYRIDINIUM, AND 2,4,6-TRIARYLPYRYLIUM CATIONS
Authors: KOLEHMAINEN E RASALA D BAK T LAIHIA K GAWINECKI R
Citation: E. Kolehmainen et al., MULTINUCLEAR MAGNETIC-RESONANCE STUDY OF 2,4,6-TRIARYLPYRIDINES, 1-METHYL-2,4,6-TRIARYLPYRIDINIUM, AND 2,4,6-TRIARYLPYRYLIUM CATIONS, Spectroscopy letters, 28(4), 1995, pp. 621-639
SYNTHESIS AND PHARMACOLOGICAL EVALUATION OF SOME NOVEL 5-(PYRAZOL-3-YL)THIADIAZOLE AND OXADIAZOLE DERIVATIVES AS POTENTIAL HYPOGLYCEMIC AGENTS
Authors: HANNA MA GIRGES MM RASALA D GAWINECKI R
Citation: Ma. Hanna et al., SYNTHESIS AND PHARMACOLOGICAL EVALUATION OF SOME NOVEL 5-(PYRAZOL-3-YL)THIADIAZOLE AND OXADIAZOLE DERIVATIVES AS POTENTIAL HYPOGLYCEMIC AGENTS, Arzneimittel-Forschung, 45-2(10), 1995, pp. 1074-1078
AN IMPROVED METHOD FOR THE PREPARATION OF 4-ARYL-2,6-DIPHENYLPYRYLIUMPERCHLORATES AND THEIR REACTION WITH AMMONIA AND METHYLAMINE
Authors: BAK T RASALA D GAWINECKI R
Citation: T. Bak et al., AN IMPROVED METHOD FOR THE PREPARATION OF 4-ARYL-2,6-DIPHENYLPYRYLIUMPERCHLORATES AND THEIR REACTION WITH AMMONIA AND METHYLAMINE, Organic preparations and procedures international, 26(1), 1994, pp. 101-109
N-AMINATION OF 2,6-DI-TERT-BUTYLPYRIDINE
Authors: GAWINECKI R KANNER B
Citation: R. Gawinecki et B. Kanner, N-AMINATION OF 2,6-DI-TERT-BUTYLPYRIDINE, Monatshefte fuer Chemie, 125(1), 1994, pp. 35-41
PHOTOCYCLIZATION OF O-NITRODIARYLAMINES
Authors: GAWINECKI R BOSZCZYK W RASALA D BAK T
Citation: R. Gawinecki et al., PHOTOCYCLIZATION OF O-NITRODIARYLAMINES, Journal of photochemistry and photobiology. A, Chemistry, 71(2), 1993, pp. 133-136
CRYSTAL AND MOLECULAR-STRUCTURE OF N-NITRO-N-METHYL-P-NITROANILINE - ANALYSIS OF SUBSTITUENT EFFECTS ON THE RING GEOMETRY AND ESTIMATION OFTHE HAMMETT SUBSTITUENT CONSTANT FOR THE N-METHYLNITRAMINO GROUP
Authors: ANULEWICZ R KRYGOWSKI TM GAWINECKI R RASALA D
Citation: R. Anulewicz et al., CRYSTAL AND MOLECULAR-STRUCTURE OF N-NITRO-N-METHYL-P-NITROANILINE - ANALYSIS OF SUBSTITUENT EFFECTS ON THE RING GEOMETRY AND ESTIMATION OFTHE HAMMETT SUBSTITUENT CONSTANT FOR THE N-METHYLNITRAMINO GROUP, Journal of physical organic chemistry, 6(5), 1993, pp. 257-260
NITRAMINO, NRNO2 (R = H, CH3), AS A SUBSTITUENT - C-13 AND N-15 NMR SPECTROSCOPIC STUDY OF NITRAMINOBENZENES AND NITRAMINOPYRIDINES
Authors: KOLEHMAINEN E LAIHIA K KAUPPINEN R GAWINECKI R RASALA D
Citation: E. Kolehmainen et al., NITRAMINO, NRNO2 (R = H, CH3), AS A SUBSTITUENT - C-13 AND N-15 NMR SPECTROSCOPIC STUDY OF NITRAMINOBENZENES AND NITRAMINOPYRIDINES, Magnetic resonance in chemistry, 31(7), 1993, pp. 659-664
YL-1-(4'-DIMETHYLAMINO-BENZYLIDENEAMINO)PYRIDINIUM PERCHLORATE (BDPP)- A NOVEL FLUORESCENT DYE
Authors: GAWINECKI R VISCARDI G BARNI E HANNA MA
Citation: R. Gawinecki et al., YL-1-(4'-DIMETHYLAMINO-BENZYLIDENEAMINO)PYRIDINIUM PERCHLORATE (BDPP)- A NOVEL FLUORESCENT DYE, Dyes and pigments, 23(2), 1993, pp. 73-78
CRYSTAL AND MOLECULAR-STRUCTURE OF '-DIMETHYLAMINOBENZYLIDENEAMINO)-3-NITROPYRIDINIUM PERCHLORATE - AROMATICITY OF PHENYLIC AND PYRIDINIUM RINGS STUDIED BY ANALYSIS OF GEOMETRY
Authors: WOZNIAK K KRYGOWSKI TM GAWINECKI R
Citation: K. Wozniak et al., CRYSTAL AND MOLECULAR-STRUCTURE OF '-DIMETHYLAMINOBENZYLIDENEAMINO)-3-NITROPYRIDINIUM PERCHLORATE - AROMATICITY OF PHENYLIC AND PYRIDINIUM RINGS STUDIED BY ANALYSIS OF GEOMETRY, Polish Journal of Chemistry, 67(6), 1993, pp. 1175-1182
Risultati: 1-24 |