Synthesis of New Re(V) Coordination Compounds with Benzimidazole and Its Derivativesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We have prepared and isolated as solids previously unknown Re(V) coordination compounds with
benzimidazole (L1) and its derivatives, 2-(2-pyridyl)-benzimidazole (L2) and 2-mercaptobenzimidazole (L3) of the general formula (HL)2[ReOX5] and [ReOLxXy(H2O)z]Xk(H2O)n, where HL and L are the protonated and deprotonated forms of the ligand, X is the chloride or bromide ion, and x, y, z, n, and k are stoichiometric coefficients.
All the syntheses were carried out in 438 M solutions of appropriate hydrohalic acids with stirring for 12324 h at the varied ratio of oxopentahalorhenate and ligands [1, 2]. The purity of the compounds was confirmed by elemental analysis and IR spectra.