S. Strashnova, B. E. Zaitsev, V. E. Zavodnik
Nov 1, 2007
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Journal
Russian Journal of Coordination Chemistry
Abstract
Two types of complexes of 2-phenyl-4-(piperidyl-1)-pyrido[2,3-a]anthraquinone (L) with transition metals were isolated from neutral acetonitrile and acidified acetonitrile and ethanol solutions and characterized. Metal complexes synthesized at pH = 7 had the composition MCl2L · (CH3CN)n (M = Cu, Co, Ni). The complexes (HL)2[Cu2Cl6] (I), (HL)2[CoCl4] (II), (HL)2[Zn(NO3)4] (III) were obtained at pH = 1–2. The molecular and crystal structure of complex III was determined. Some spectral parameters of L and its complexes were measured.