Zobrazeno 1 - 10
of 158
pro vyhledávání: '"Pavel N. Gaponik"'
Autor:
Alexander S. Lyakhov, Anastasiya P. Mosalkova, Mikhail M. Degtyarik, Ludmila S. Ivashkevich, Pavel N. Gaponik
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 11, Pp m1397-m1398 (2009)
The title cobalt(II) complex, [CoCl2(C3H6N4O)4], was obtained from metallic cobalt by direct synthesis. There are two Co atoms in the asymmetric unit, each lying on an inversion centre and adopting a distorted octahedral coordination. Classical and n
Externí odkaz:
https://doaj.org/article/0dc484702cf44782871dfeea5e8ee3a2
Autor:
Oleg A. Ivashkevich, Pavel N. Gaponik, Anastasiya P. Mosalkova, Alexander S. Lyakhov, Ludmila S. Ivashkevich
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp m236-m236 (2009)
The asymmetric unit of the title compound, [CoCl2(C3H6N4)]n, contains two Co atoms, both lying on inversion centres, two Cl atoms and one 1,5-dimethyltetrazole ligand. The coordination polyhedra of both Co atoms adopt flattened octahedral geometry, w
Externí odkaz:
https://doaj.org/article/7a15dead55734927b45e5ad3b4993be2
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp m1044-m1045 (2008)
The crystal structure of the title polymeric complex, [CuCl2(C3H6N4O)2]n, was obtained by the Rietveld refinement from laboratory X-ray powder diffraction data collected at room temperature. The unique CuII ion lies on an inversion center and is in a
Externí odkaz:
https://doaj.org/article/b35da3c5a2964aa0907979aecb6ee3c2
Autor:
Alexander S. Lyakhov, Sergei V. Voitekhovich, Pavel N. Gaponik, René Schnorr, Frederik Schleife, Berthold Kersting, Ludmila S. Ivashkevich
Publikováno v:
Inorganica Chimica Acta. 419:124-129
The title compound was synthesized by interaction of 1,3-di-tert-butyltetrazol-1-ium-5-aminide with hydrochloric acid and copper(II) chloride. According to single crystal X-ray analysis, the salt is composed of 5-amino-1,3-di-tert-butyl-2H-tetrazol-1
Publikováno v:
Russian Journal of Organic Chemistry. 49:635-654
The review generalizes and systematizes the results of research on the synthesis and properties of tetrazole derivatives obtained in the Belarusian State University within the last decade. The main attention is fixed on important directions in the te
Autor:
Tatiyana S. Garbuzenco, Tatiyana V. Serebryanskaya, Pavel N. Gaponik, Tatiana Yung, Oleg A. Ivashkevich, Zhanna A. Ibrahimava, A. A. Bogdanov, Ludmila S. Ivashkevich, Andrei Shchebet, Natalya I. Melnova, Steven A. Johnsen, Alexander S. Lyakhov, Tatiyana S. Kolesnikova
Publikováno v:
Journal of Inorganic Biochemistry. 120:44-53
Two series of tetrazole-containing platinum(II) and palladium(II) chlorido complexes, trans-[ML(2)Cl(2)] (M=Pt, Pd) and cis-[PtL(2)Cl(2)]·nH(2)O (n=0, 1), where L is 1- or 2-substituted 5-aminotetrazole, have been synthesized and thoroughly characte
Autor:
Sergei V. Voitekhovich, Anastasiya P. Mosalkova, Jochen Lach, Berthold Kersting, Pavel N. Gaponik
Publikováno v:
Polyhedron. 49:183-189
The dinuclear nickel(II) complex [Ni2LCl]+, where L2− represents a 24-membered macrocyclic hexamine-dithiophenolate ligand, reacts with 5,5′-(1,3-phenylene)bis-1H-tetrazole and N,N-bis(tetrazol-5-yl)amine to give the tetranuclear complexes [(Ni2L
Publikováno v:
Tetrahedron Letters. 53:6111-6114
Alkylation of 1,5-bis(tetrazol-5-yl)-3-oxapentane with 2,5-dimethylhexane-2,5-diol in 65% aqueous perchloric acid was found to proceed selectively on the N2 atoms of both tetrazole rings generating a 15-membered macrocycle with tetrazol-2,5-diyl moie
Autor:
Alexander S. Lyakhov, Tatiyana V. Serebryanskaya, Pavel N. Gaponik, Oleg A. Ivashkevich, Ludmila S. Ivashkevich
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 227:702-709
The crystal structure of the coordination compound [PdCl2(CH4N6)2],trans-dichloridobis(1,5-diamino-1H-tetrazole-κN4)palladium(II), has been determined from X-ray powder diffraction data collected at room temperature. The structure has been solved by
Autor:
Pavel N. Gaponik, Vadim E. Matulis, Alexander S. Lyakhov, Oleg A. Ivashkevich, Ludmila S. Ivashkevich, Yury V. Grigoriev, Sergei V. Voitekhovich
Publikováno v:
Tetrahedron. 68:4962-4966
The behavior of amino- and mercapto-1,2,4-triazoles in a t-BuOH–HClO4 system has been examined. Under the investigated conditions monoalkylation of 3-amino-1,2,4-triazole proceeds at the endocyclic N1 atoms whereas 1,2,4-triazole-3-thiol undergoes