Copper(II) halide reactions with the - NH · CS - group in heterocyclic pentaatomic rings |
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Authors: | Francesco A Devillanova Gaetano Verani |
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Institution: | (1) Istituto Chimico Policattedra, Via Ospedale 72, 09100 Cagliari, Italy |
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Abstract: | Summary White crystalline complexes of general formula Cu2L4X2 (where X = Cl, Br and L = 1, 3-oxazolidine-2-thione, pyrrolidine-2-thione,N-methyl-1,3-imidazolidine-2-thione andN-ethyl-1,3-imidazolidine-2-thione) and CuLX (where L = 1,3-imidazolidine-2-thione) were prepared by reduction of copper(II) halides and studied by i.r. spectroscopy in the 4000–200 cm– range. Evidence for ligand coordination to the metal through sulphur was found in each case. The(CuCI) vibration in all the chloro derivatives falls atca. 240 cm–. |
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