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Results: 1-18 |
Results: 18
N-S,N-O-diphenyl(thiooxamide)
Authors: Rybakov, VB Babaev, EV Dlinnykh, YV
Citation: Vb. Rybakov et al., N-S,N-O-diphenyl(thiooxamide), ACT CRYST E, 57, 2001, pp. O814-O815
X-ray mapping in heterocyclic design: IV. Crystal structure determination of 3-(p-nitrobenzoyl)-2-oxooxazolo[3,2-a]pyridine from powder diffraction data
Authors: Rybakov, VB Zhukov, SG Babaev, EV Sonneveld, EJ
Citation: Vb. Rybakov et al., X-ray mapping in heterocyclic design: IV. Crystal structure determination of 3-(p-nitrobenzoyl)-2-oxooxazolo[3,2-a]pyridine from powder diffraction data, CRYSTALLO R, 46(3), 2001, pp. 385-388
Application of simulated annealing approach for structure solution of molecular crystals from X-ray laboratory powder data
Authors: Zhukov, SG Chernyshev, VV Babaev, EV Sonneveld, EJ Schenk, H
Citation: Sg. Zhukov et al., Application of simulated annealing approach for structure solution of molecular crystals from X-ray laboratory powder data, Z KRISTALL, 216(1), 2001, pp. 5-9
1,3-di(2-oxopyridyl-1)acetone and its hydroperchlorate: Formation in the hydrolysis of annelated munchnone and X-ray diffraction study
Authors: Rybakov, VB Zhukov, SG Pasichnichenko, KY Babaev, EV
Citation: Vb. Rybakov et al., 1,3-di(2-oxopyridyl-1)acetone and its hydroperchlorate: Formation in the hydrolysis of annelated munchnone and X-ray diffraction study, RUSS J C CH, 26(9), 2000, pp. 670-676
X-ray mapping in heterocyclic design: III. Diffractometric study of the crystal structure of 1-methyl-2-oxo-2,3-dihydroimidazo[1,2-a]pyridinium bromide
Authors: Rybakov, VB Zhukov, SG Babaev, EV Mazina, OS Aslanov, LA
Citation: Vb. Rybakov et al., X-ray mapping in heterocyclic design: III. Diffractometric study of the crystal structure of 1-methyl-2-oxo-2,3-dihydroimidazo[1,2-a]pyridinium bromide, CRYSTALLO R, 45(2), 2000, pp. 261-263
X-ray mapping in heterocyclic design: II. Diffractometric study of crystalline 2-oxo-2,3-dihydroimidazo[1,2-a]pyridine hydrochloride
Authors: Rybakov, VB Zhukov, SG Babaev, EV Mazina, OS Aslanov, LA
Citation: Vb. Rybakov et al., X-ray mapping in heterocyclic design: II. Diffractometric study of crystalline 2-oxo-2,3-dihydroimidazo[1,2-a]pyridine hydrochloride, CRYSTALLO R, 45(1), 2000, pp. 103-104
Heterocycles containing the bridge nitrogen atom. 13. Atypical example of sulfurizing action of dimethyl sulfate on attempt of methylation of 5-aminoindolizine. Crystal structure of 5-morpholyl-2-(p-nitrophenyl)indolizine-1-sulfonic acid methyl ester
Authors: Babaev, EV Pasichnichenko, KY Rybakov, VB Zhukhov, SG Efimov, AV
Citation: Ev. Babaev et al., Heterocycles containing the bridge nitrogen atom. 13. Atypical example of sulfurizing action of dimethyl sulfate on attempt of methylation of 5-aminoindolizine. Crystal structure of 5-morpholyl-2-(p-nitrophenyl)indolizine-1-sulfonic acid methyl ester, KHIM GETERO, (9), 2000, pp. 1245-1250
Heterocycles containing the bridge nitrogen atom. 12. On recyclization of 5-methyloxazolo [3,2-a] pyridinium cation under the action of acetylacetone. Cristal structure of 1-acetyl-2,5-dimethylindolyzine
Authors: Babaev, EV Efimov, AV Rybakov, VB Zhukov, SG
Citation: Ev. Babaev et al., Heterocycles containing the bridge nitrogen atom. 12. On recyclization of 5-methyloxazolo [3,2-a] pyridinium cation under the action of acetylacetone. Cristal structure of 1-acetyl-2,5-dimethylindolyzine, KHIM GETERO, (3), 2000, pp. 401-405
Crystal structure determination of 2-oxo-3-benzoyloxazolo[3,Z-a]pyridine from X-ray powder data
Authors: Zhukov, SG Babaev, EV Chernyshev, VV Rybakov, VB Sonneveld, EJ Schenk, H
Citation: Sg. Zhukov et al., Crystal structure determination of 2-oxo-3-benzoyloxazolo[3,Z-a]pyridine from X-ray powder data, Z KRISTALL, 215(5), 2000, pp. 306-308
Fused munchnones in recyclization tandems
Authors: Babaev, EV
Citation: Ev. Babaev, Fused munchnones in recyclization tandems, J HETERO CH, 37(3), 2000, pp. 519-526
X-ray mapping in heterocyclic design. I. Diffractometric study of crystalline 1,2-dihydro-2-imino-1-carboxymethylpyridine monohydrate: Structural evidence for the zwitterionic character of the molecule
Authors: Rybakov, VB Zhukov, SG Babaev, EV Mazina, OS Aslanov, LA
Citation: Vb. Rybakov et al., X-ray mapping in heterocyclic design. I. Diffractometric study of crystalline 1,2-dihydro-2-imino-1-carboxymethylpyridine monohydrate: Structural evidence for the zwitterionic character of the molecule, CRYSTALLO R, 44(6), 1999, pp. 997-999
Intuitive chemical topology concepts
Authors: Babaev, EV
Citation: Ev. Babaev, Intuitive chemical topology concepts, MATH CHEM S, 5, 1999, pp. 167-264
Unusual ring transformation of 2-halogeno-N-phenacylpyridinium salts in reaction with secondary amines: a facile 'one-pot' route to 1-amino-4-(oxazol-2-yl)butadienes
Authors: Babaev, EV Tsisevich, AA
Citation: Ev. Babaev et Aa. Tsisevich, Unusual ring transformation of 2-halogeno-N-phenacylpyridinium salts in reaction with secondary amines: a facile 'one-pot' route to 1-amino-4-(oxazol-2-yl)butadienes, J CHEM S P1, (4), 1999, pp. 399-401
Organic synthesis and combinatorial chemistry
Authors: Babaev, EV
Citation: Ev. Babaev, Organic synthesis and combinatorial chemistry, KHIM GETERO, (5), 1999, pp. 714-716
Heterocycles containing the bridge nitrogen atom. 10. Unexpected closure of oxazole ring in reaction of 1-phenacyl-2-chloropyridinium salts with potassium cyanate. Crystal structure of 2-(p-nitrophenyl)oxazolo[3,2-a]pyridinium bromide and N-(p-nitrophenacyl)pyridone-2
Authors: Babaev, EV Rybakov, VB Zhukov, SG Orlova, OA
Citation: Ev. Babaev et al., Heterocycles containing the bridge nitrogen atom. 10. Unexpected closure of oxazole ring in reaction of 1-phenacyl-2-chloropyridinium salts with potassium cyanate. Crystal structure of 2-(p-nitrophenyl)oxazolo[3,2-a]pyridinium bromide and N-(p-nitrophenacyl)pyridone-2, KHIM GETERO, (4), 1999, pp. 542-549
Heterocycles containing the bridge nitrogen atom. 11. Recyclization of 5-methyloxazolo[3,2-a] pyridinium cation under the action of nucleophiles containing NH2-group. Crystal structure of 3-(p-nitrophenyl)-1,4-dihydropyrido[2,1-c]-as-triazinium perchlorate
Authors: Babaev, EV Efimov, AV Rybakov, VB Zhukov, SG
Citation: Ev. Babaev et al., Heterocycles containing the bridge nitrogen atom. 11. Recyclization of 5-methyloxazolo[3,2-a] pyridinium cation under the action of nucleophiles containing NH2-group. Crystal structure of 3-(p-nitrophenyl)-1,4-dihydropyrido[2,1-c]-as-triazinium perchlorate, KHIM GETERO, (4), 1999, pp. 550-556
Novel route to b-fused thiazoles starting from a 2-chloro-1-phenacylpyridinium salt and KSCN. Crystal structures of thiazolo- and oxazolo[3,2-a]pyridinium thiocyanates
Authors: Babaev, EV Bush, AA Orlova, IA Rybakov, VB Zhukov, SG
Citation: Ev. Babaev et al., Novel route to b-fused thiazoles starting from a 2-chloro-1-phenacylpyridinium salt and KSCN. Crystal structures of thiazolo- and oxazolo[3,2-a]pyridinium thiocyanates, TETRAHEDR L, 40(42), 1999, pp. 7553-7556
Quantum chemical analysis and experimental study of the cycloaddition reaction between aminoacetylenes and 6-nitroindolizines. NMR and ab initio evidence for the [4+2] adduct formation
Authors: Babaev, EV Simonyan, VV Pasichnichenko, KY Nosova, VM Kisin, AV Jug, K
Citation: Ev. Babaev et al., Quantum chemical analysis and experimental study of the cycloaddition reaction between aminoacetylenes and 6-nitroindolizines. NMR and ab initio evidence for the [4+2] adduct formation, J ORG CHEM, 64(25), 1999, pp. 9057-9062
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