AAAAAA

   
Results: 1-23 |
Results: 23
Angular group-induced bond alternation (AGIBA). Part 5 - Conformation dependence and additivity of the effect: structural studies of 3,5-dimethoxybenzaldehyde derivatives and related systems
Authors: Krygowski, TM Pindelska, E Anulewicz-Ostrowska, R Grabowski, SJ Dubis, AT
Citation: Tm. Krygowski et al., Angular group-induced bond alternation (AGIBA). Part 5 - Conformation dependence and additivity of the effect: structural studies of 3,5-dimethoxybenzaldehyde derivatives and related systems, J PHYS ORG, 14(6), 2001, pp. 349-354
Special issue dedicated to Dr John Shorter on the occasion of his 75(th) birthday
Authors: Krygowski, TM Lambert, JB
Citation: Tm. Krygowski et Jb. Lambert, Special issue dedicated to Dr John Shorter on the occasion of his 75(th) birthday, J PHYS ORG, 14(11), 2001, pp. 727-727
Angular group induced bond alternation (AGIBA). Part VI - Competition between the AGIBA and through resonance effects
Authors: Pindelska, E Krygowski, TM Anulewicz-Ostrowska, R Cyranski, MK Nowacki, J
Citation: E. Pindelska et al., Angular group induced bond alternation (AGIBA). Part VI - Competition between the AGIBA and through resonance effects, J PHYS ORG, 14(11), 2001, pp. 764-769
Water molecules as a gluing factor in organic crystals. Part 2. The crystal and molecular structure of 6-acetoxy-2,5,7,8-tetramethylchroman-2-carboxylic acid monohydrate
Authors: Witkowski, S Anulewicz-Ostrowska, R Krygowski, TM
Citation: S. Witkowski et al., Water molecules as a gluing factor in organic crystals. Part 2. The crystal and molecular structure of 6-acetoxy-2,5,7,8-tetramethylchroman-2-carboxylic acid monohydrate, POL J CHEM, 75(6), 2001, pp. 883-888
Guanidinium cation - An acyclic analogue of benzene?
Authors: Krygowski, TM Cyranski, MK Anulewicz-Ostrowska, R
Citation: Tm. Krygowski et al., Guanidinium cation - An acyclic analogue of benzene?, POL J CHEM, 75(12), 2001, pp. 1939-1942
Aromaticity of dihetero analogues of pentalene dianion. X-ray and ab initio studies of eight methyl faro[3,2-b]pyrrole-5-carboxylate derivatives and five methyl faro[2,3-b]pyrrole-5-carboxylate derivatives
Authors: Cyranski, MK Krygowski, TM Krutosikova, A Sleziak, R
Citation: Mk. Cyranski et al., Aromaticity of dihetero analogues of pentalene dianion. X-ray and ab initio studies of eight methyl faro[3,2-b]pyrrole-5-carboxylate derivatives and five methyl faro[2,3-b]pyrrole-5-carboxylate derivatives, TETRAHEDRON, 57(42), 2001, pp. 8867-8873
Structural aspects of aromaticity
Authors: Krygowski, TM Cyranski, MK
Citation: Tm. Krygowski et Mk. Cyranski, Structural aspects of aromaticity, CHEM REV, 101(5), 2001, pp. 1385-1419
Crystal structure and solid state C-13 NMR analysis of N-(methyl 3,4,6-tri-O-acetyl-alpha, and beta-D-glucopyranosid-2-yl)-oxamide derivative of p-chloroaniline, N,N-diethylamine, N-methylaniline and N-ethylaniline
Authors: Temeriusz, A Anulewicz, R Wawer, I Krygowski, TM Piekarska-Bartoszewicz, B Rowinska, M
Citation: A. Temeriusz et al., Crystal structure and solid state C-13 NMR analysis of N-(methyl 3,4,6-tri-O-acetyl-alpha, and beta-D-glucopyranosid-2-yl)-oxamide derivative of p-chloroaniline, N,N-diethylamine, N-methylaniline and N-ethylaniline, CARBOHY RES, 334(1), 2001, pp. 71-79
Reaction pathway of proton transfer from the neutral to zwitterionic formsof amino acids. Support for a water molecule-mediated mechanism
Authors: Grabowski, SJ Krygowski, TM Stepien, B
Citation: Sj. Grabowski et al., Reaction pathway of proton transfer from the neutral to zwitterionic formsof amino acids. Support for a water molecule-mediated mechanism, J PHYS ORG, 13(11), 2000, pp. 740-744
Substituent and temperature controlled tautomerism: multinuclear magnetic resonance, X-ray, and theoretical studies on 2-phenacylquinolines
Authors: Kolehmainen, E Osmialowski, B Krygowski, TM Kauppinen, R Nissinen, M Gawinecki, R
Citation: E. Kolehmainen et al., Substituent and temperature controlled tautomerism: multinuclear magnetic resonance, X-ray, and theoretical studies on 2-phenacylquinolines, J CHEM S P2, 6, 2000, pp. 1259-1266
Furo[2,3-b]pyrrole derivatives. Syntheses and reactions in the furan and pyrrole ring
Authors: Sleziak, R Krutosikova, A Cyranski, MK Krygowski, TM
Citation: R. Sleziak et al., Furo[2,3-b]pyrrole derivatives. Syntheses and reactions in the furan and pyrrole ring, POL J CHEM, 74(2), 2000, pp. 207-217
Global and local aromaticity of linear and angular polyacenes
Authors: Cyranski, MK Stepien, BT Krygowski, TM
Citation: Mk. Cyranski et al., Global and local aromaticity of linear and angular polyacenes, TETRAHEDRON, 56(49), 2000, pp. 9663-9667
Angular group induced bond alternation (AGIBA). Part 4: Does the effect operate in the systems with alternated bonds?
Authors: Krygowski, TM Pindelska, E Cyranski, MK Grabowski, SJ
Citation: Tm. Krygowski et al., Angular group induced bond alternation (AGIBA). Part 4: Does the effect operate in the systems with alternated bonds?, TETRAHEDRON, 56(44), 2000, pp. 8715-8719
Reversal of diastereoselectivity of nitrile oxide 1,3-dipolar cycloadditions by Mg(II). Acceleration of cycloaddition by microwave irradiation
Authors: Micuch, P Fisera, L Cyranski, MK Krygowski, TM Krajcik, J
Citation: P. Micuch et al., Reversal of diastereoselectivity of nitrile oxide 1,3-dipolar cycloadditions by Mg(II). Acceleration of cycloaddition by microwave irradiation, TETRAHEDRON, 56(30), 2000, pp. 5465-5472
Aromaticity: A theoretical concept of immense practical importance
Authors: Krygowski, TM Cyranski, MK Czarnocki, Z Hafelinger, G Katritzky, AR
Citation: Tm. Krygowski et al., Aromaticity: A theoretical concept of immense practical importance, TETRAHEDRON, 56(13), 2000, pp. 1783-1796
Crystal and molecular structure of 3-(2,4,6-trimethylphenyl)-8-phenyl-oxo-1,7-dioxa-2-azaspiro[4,4] non-2-ene
Authors: Anulewicz-Ostrowska, R Pietka, E Krygowski, TM Micuch, P Fisera, L
Citation: R. Anulewicz-ostrowska et al., Crystal and molecular structure of 3-(2,4,6-trimethylphenyl)-8-phenyl-oxo-1,7-dioxa-2-azaspiro[4,4] non-2-ene, POL J CHEM, 73(4), 1999, pp. 727-733
Crystal and molecular structure of 1,3,5-trimethoxy-2,4,6-trinitrobenzene.Mesomeric effects for out-of-plane twisted substituents
Authors: Anulewicz-Ostrowska, R Krygowski, TM Cyranski, MK Matuszewska, MP
Citation: R. Anulewicz-ostrowska et al., Crystal and molecular structure of 1,3,5-trimethoxy-2,4,6-trinitrobenzene.Mesomeric effects for out-of-plane twisted substituents, POL J CHEM, 73(11), 1999, pp. 1895-1901
Reversal of stereoselectivity of Mg(II) catalysed 1,3-dipolar cycloaddition. Acceleration of cycloaddition by microwave irradiation.
Authors: Micuch, P Fisera, L Cyranski, MK Krygowski, TM
Citation: P. Micuch et al., Reversal of stereoselectivity of Mg(II) catalysed 1,3-dipolar cycloaddition. Acceleration of cycloaddition by microwave irradiation., TETRAHEDR L, 40(1), 1999, pp. 167-170
Two sources of the decrease of aromaticity: Bond length alternation and bond elongation. Part II. An analysis based on geometry of the singlet and triplet states of 4n pi annulenes: C4H4, C5H5+, C6H62+, C7H7-, C8H8, C9H9+
Authors: Krygowski, TM Cyranski, MK
Citation: Tm. Krygowski et Mk. Cyranski, Two sources of the decrease of aromaticity: Bond length alternation and bond elongation. Part II. An analysis based on geometry of the singlet and triplet states of 4n pi annulenes: C4H4, C5H5+, C6H62+, C7H7-, C8H8, C9H9+, TETRAHEDRON, 55(36), 1999, pp. 11143-11148
Two sources of the decrease of aromaticity: Bond length alternation and bond elongation. Part I. An analysis based on benzene ring deformations.
Authors: Cyranski, MK Krygowski, TM
Citation: Mk. Cyranski et Tm. Krygowski, Two sources of the decrease of aromaticity: Bond length alternation and bond elongation. Part I. An analysis based on benzene ring deformations., TETRAHEDRON, 55(19), 1999, pp. 6205-6210
pi-electron delocalisation in the spacer of the O-H...N bridge in Schiff bases. Crystal and molecular structure of 3,5-dimethoxy-2[(phenylimino)methyl]phenol and 4-methoxy-2-[(phenylimino)methyl]phenol.
Authors: Krygowski, TM Stepien, B Anulewicz-Ostrowska, R Dziembowska, T
Citation: Tm. Krygowski et al., pi-electron delocalisation in the spacer of the O-H...N bridge in Schiff bases. Crystal and molecular structure of 3,5-dimethoxy-2[(phenylimino)methyl]phenol and 4-methoxy-2-[(phenylimino)methyl]phenol., TETRAHEDRON, 55(17), 1999, pp. 5457-5464
Crystal and molecular structure of N-(3,5-dichloro-2-hydroxybenzylidene)- and N-(2-hydroxy-3-methoxybenzylidene)aniline oxides. Delocalisation in thespacer of the intramolecular H-bond and the problem of quasi-aromaticity
Authors: Krygowski, TM Stepien, B Anulewicz-Ostrowska, R Cyranski, MK Grabowski, SJ Rozwadowski, Z Dziembowska, T
Citation: Tm. Krygowski et al., Crystal and molecular structure of N-(3,5-dichloro-2-hydroxybenzylidene)- and N-(2-hydroxy-3-methoxybenzylidene)aniline oxides. Delocalisation in thespacer of the intramolecular H-bond and the problem of quasi-aromaticity, COLL CZECH, 64(11), 1999, pp. 1797-1806
The proton transfer path for C=O center dot center dot center dot H-O systems modelled from crystal structure data
Authors: Grabowski, SJ Krygowski, TM
Citation: Sj. Grabowski et Tm. Krygowski, The proton transfer path for C=O center dot center dot center dot H-O systems modelled from crystal structure data, CHEM P LETT, 305(3-4), 1999, pp. 247-250
Risultati: 1-23 |