The first example of Cu(I) complex with 5-pyrazolyl-2-thioxotetrahydro-4H-imidazol-4-one: synthesis and structural characterization Inorganic Chemistryстатья
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Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.
Аннотация: A new organic ligand 3-phenyl-5-((Z)-1,5-diphenyl-pyrazol-3-
yl)methylene)-2-methylthio-4,5-dihydro-imidazol-4-one (L) has been
synthesized by a two step reaction sequence starting from 3-phenyl-2-
thiohydantoin and 3-formyl-pyrazoline. The complex of copper(I) with
L2СuClO4 composition was obtained by the reactions of this ligand with
Сu(ClO4)2.6H2O; thus, the reduction of copper(II) took place during the
complex formation. The crystal structure of synthesized complex has been
determined by X-ray analysis. Copper atom has a distored tetrahedral
ligand environment and coordinated by four nitrogen atoms of two ligand
moieties; perchlorate ion does not participate in the coordination of the
metal ion. This complex undergo reversible electrochemical reduction at
-0.32 V.