Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Valentina A, Kalibabchuk"'
Autor:
Maksym O. Plutenko, Svitlana V. Shishkina, Oleg V. Shishkin, Vadim A. Potaskalov, Valentina A. Kalibabchuk
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 9, Pp 900-904 (2022)
In the molecule of the title compound, C9H11N5O2, the oxime and hydrazide groups are situated in a cis-position in relation to the C—C bond linking the two functional groups. The CH3C(=NOH)C(O)NH fragment deviates from planarity because of a twist
Externí odkaz:
https://doaj.org/article/dafaceaa27e940c6ae2372bfd1c90993
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 5, Pp 728-731 (2020)
The title compound, C22H17NO2·C3H7NO, was synthesized by condensation of an aromatic aldehyde with a secondary amine and subsequent reduction. It was crystallized from a dimethylformamide solution as a monosolvate, C22H17NO2·C3H7NO. The aromatic mo
Externí odkaz:
https://doaj.org/article/73723f9a0d8949fcb93fd1bd690ff96c
Autor:
Inna S. Safyanova, Oksana A. Bondar, Anna V. Pavlishchuk, Iryna V. Omelchenko, Turganbay S. Iskenderov, Valentina A. Kalibabchuk
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 3, Pp 328-331 (2020)
The title compound represents the thallium(I) salt of a substituted 1,2,5-oxadiazole, [Tl(C3H3N4O3)]n, with amino- and hydroxamate groups in the 4- and 3- positions of the oxadiazole ring, respectively. In the crystal, the deprotonated hydroxamate gr
Externí odkaz:
https://doaj.org/article/421d99f50ad848ea80fa3d7017344342
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 9, Pp 1211-1214 (2018)
The title compound, C19H18N4O2, crystallizes with two independent molecules in the asymmetric unit. The triazole ring is inclined to the benzene rings by 9.63 (13) and 87.37 (12)° in one molecule, and by 4.46 (13) and 86.15 (11)° in the other. In t
Externí odkaz:
https://doaj.org/article/786d2eaa5bb7464c979974d2f903cf45
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 9, Pp 1263-1266 (2018)
The reaction of NiCl2 with fumaric acid and nicotinamide in basic solution produces the title polymeric complex, [Ni(C4H2O4)(C6H6N2O)2(H2O)2]n. The NiII cation, located on an inversion centre, is coordinated by two O atoms of the fumarate dianions, t
Externí odkaz:
https://doaj.org/article/37b46c45e33c46c58c9b51b3b129e5dd
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 2, Pp 147-150 (2016)
The centrosymmetric binuclear complex, [Cu2(C2H2N2O4)(C10H8N2)2(C2H6OS)2](ClO4)2, contains two copper(II) ions, connected through an N-deprotonated oxalodihydroxamic acid dianion, two terminal 2,2′-bipyridine ligands, and two apically coordinating
Externí odkaz:
https://doaj.org/article/dad85d6cf9bf45019df156907f867e38
Autor:
Md. Serajul Haque Faizi, Ashanul Haque, Necmi Dege, Syed Imran Hasan, Mustafa Dege, Valentina A. Kalibabchuk
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 4, Pp 550-552 (2017)
In the title biphenyl derivative, C12H9N3O4, the dihedral angle between the benzene rings is 52.84 (10)°. The nitro group attached to the benzene ring is inclined to the ring by 4.03 (2)°, while the nitro group attached to the amino-substituted ben
Externí odkaz:
https://doaj.org/article/b8e61f8d6af04b51b9c3a5654ee361f5
Autor:
Md. Serajul Haque Faizi, Necmi Dege, Ashanul Haque, Valentina A. Kalibabchuk, Mustafa Cemberci
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 2, Pp 96-98 (2017)
The essential part (including all the non-hydrogen atoms except two methyl carbons) of the molecule of the title compound, C21H26N4O5, lies on a mirror plane, which bisects the t-butyl groups. The conformation of the C=N bond of this Schiff base comp
Externí odkaz:
https://doaj.org/article/4c19945c11ef4a94a7946bc956da069e
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 2, Pp 112-114 (2017)
In the title compound, C19H15N3O3, which crystallizes as the phenol–imine tautomer, the dihedral angle between the aromatic rings bridged by the NH unit is 47.16 (16)°. The dihedral angle between the rings bridged by the imine unit is 6.24 (15)°;
Externí odkaz:
https://doaj.org/article/2cb909cf3baf4def8ad05d2d17724190
Autor:
Maksym O, Plutenko, Svitlana V, Shishkina, Oleg V, Shishkin, Vadim A, Potaskalov, Valentina A, Kalibabchuk
Publikováno v:
Acta crystallographica. Section E, Crystallographic communications. 78(Pt 9)
In the mol-ecule of the title compound, C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c874b4cb720354f2f0e58aa5b24e4c25
https://pubmed.ncbi.nlm.nih.gov/36072521
https://pubmed.ncbi.nlm.nih.gov/36072521