Výsledky vyhledávání - "Victor M. Chernyshev"

Akademický článek

Crystal structure of bis[(5-amino-1H-1,2,4-triazol-3-yl-κN4)acetato-κO]diaquanickel(II) dihydrate

Autor: Victor M. Chernyshev, Anna V. Chernysheva, Raisa S. Abagyan, Victor B. Rybakov

Publikováno v: Acta Crystallographica Section E, Vol 70, Iss 11, Pp 286-289 (2014)

The title compound, [Ni(C4H5N4O2)2(H2O)2]·2H2O, represents the first transition metal complex of the novel chelating triazole ligand, 2-(5-amino-1H-1,2,4-triazol-3-yl)acetic acid (ATAA), to be structurally characterized. In the molecule of the title

Externí odkaz: https://doaj.org/article/7adbd2a0b178444c99f370f1ce97505a

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Akademický článek

3-Methyl-4-(2-phenyl-1,2,4-triazolo[1,5-a]pyrimidin-7-yl)furazan

Autor: Kyrill Yu. Suponitsky, Victor M. Chernyshev, Nadezhda V. Palysaeva, Aleksei B. Sheremetev

Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 11, Pp o1648-o1649 (2013)

In the title molecule, C14H10N6O, the planes of the methylfurazan fragment and the phenyl ring attached to the triazolopyrimidine bicycle are twisted from the mean plane of the bicycle at angles of 45.92 (5) and 5.45 (4)°, respectively. In the cryst

Externí odkaz: https://doaj.org/article/9ce502977046407696724a140e47125c

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Akademický článek

6-(3,5-Dimethyl-1H-pyrazol-1-yl)-1,2,4,5-tetrazin-3(2H)-one

Autor: Kyrill Yu. Suponitsky, Victor M. Chernyshev, Anna G. Mazharova, Nadezhda V. Palysaeva, Aleksei B. Sheremetev

Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 11, Pp o1630-o1631 (2013)

The title compound, C7H8N6O, represents the keto form and adopts a nearly planar structure (r.m.s. deviation of the non-H atoms = 0.072 Å). In the crystal, molecules form spiral chains along the c axis by N—H...N hydrogen bonds. The chains are lin

Externí odkaz: https://doaj.org/article/03a3a7bee0944478a2bcdee2e965b4e2

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Akademický článek

2-Amino-5-methyl-3-(2-oxo-2-phenylethyl)-7-phenyl-4,5,6,7-tetrahydro-3H-[1,2,4]triazolo[1,5-a]pyrimidin-8-ium bromide ethanol monosolvate

Autor: Victor M. Chernyshev, Dmitriy A. Pyatakov, Kyrill Yu. Suponitsky

Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 10, Pp o1586-o1587 (2013)

In the title compound, C20H22N5O+·Br−·C2H6O, the tetrahydropyrimidine ring of the bicyclic cation adopts a half-chair conformation with an equatorial orientation of the phenyl and methyl substituents. The amino group is nearly coplanar with the 1

Externí odkaz: https://doaj.org/article/d99cc43d939c409d85d434ba1245a771

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Akademický článek

4-Benzyl-3-[(1-oxidoethylidene)amino]-1-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-iminium

Autor: Victor M. Chernyshev, Anna G. Mazharova, Victor B. Rybakov

Publikováno v: Acta Crystallographica Section E, Vol 67, Iss 4, Pp o870-o871 (2011)

The title compound, C17H17N5O, exists in the zwitterionic form with the amide group deprotonated. The mean planes of the 1,2,4-triazole and N-phenyl rings form a dihedral angle of 39.14 (8)°. The N atom of the amino group adopts a trigonal configura

Externí odkaz: https://doaj.org/article/e8957fbfb4a3472cafbe7ad84abd1770

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Akademický článek

4-(5-Amino-1H-1,2,4-triazol-3-yl)pyridinium chloride monohydrate

Autor: Victor M. Chernyshev, Elena V. Tarasova, Anna V. Chernysheva, Victor B. Rybakov

Publikováno v: Acta Crystallographica Section E, Vol 67, Iss 2, Pp o466-o467 (2011)

In the cation of the title compound, C7H8N5+·Cl−·H2O, the mean planes of the pyridine and 1,2,4-triazole rings form a dihedral angle of 2.3 (1)°. The N atom of the amino group adopts a trigonal–pyramidal configuration. The N atom of the pyridi

Externí odkaz: https://doaj.org/article/0aba930e46304631a036003dc74a2cee

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