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Complexes of nickel and copper with aromatic dithiocarbamates

✍ Scribed by Benigno Macías; María V. Villa; M. Rosario Rodriguez-Gallego

Publisher
Springer
Year
1995
Tongue
English
Weight
346 KB
Volume
20
Category
Article
ISSN
0340-4285

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✦ Synopsis

Pheriylglycine and phenylalanine react with CS2 in a basic medium to yield the corresponding dithiocarbamates, which react with Ni 2 + and Cu 2 + salts to form complexes of the general formula [Ni(dtc aa)2 ] and [Cu(dtc aa)], respectively (aa = amino acid). Both series of complexes are diamagnetic and were characterized by analytical and physico-chemical techniques. It is concluded that the nickel compounds are square planar, while for the copper complexes reduction to the Cu + state has taken place during synthesis.

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Syntheses of a unique molecule, nickel(ii) dithiocarbamate bearing two ferrocenyl groups (3), and its oxidized product, nickel(iv) dithiocarbamate bearing three ferrocenyl groups (4 ), are reported. Spectroelectrochemical investigations have shown that the complex 4 undergoes a three-electron oxidat