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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 11, Number 2
BKCSDE 11(2)
February 20, 1990

Title	Electrochemical Studies of Oxovanadium(Ⅳ) Complex of 2-Amino-1-cyclopentene-1-dithiocarboxylate
Author	Young Jin Kim, Duck Soo Park, Yoon Bo Shim,Sung Nak Choi*
Keywords
Abstract	The redox properties of 2-amino-1-cyclopentene-1-dithiocarboxylate anion (acdc) and its oxovanadium complex, VO (acdc)2 have been investigated in dimethylformamide (DMF) with polarography and cyclic voltammetry. Bis(2-amino-1-cyclopentene-1-dithiocarboxylate) oxovanadium(Ⅳ) exhibits two polarographic oxidation waves and two reduction waves in the potential range from +0.50V to - 2.4V vs. the Ag/AgCl (DMF) reference electrode. The second oxidation wave appeared at - 0.08V is found to be reversible and is attributed to the formation of VO(acdc)2+. The first reduction process (at - 0.60V) is also reversible and this reduction process is caused by the electrode process of formation of VO(acdc)2-species. The half wave potential for the reduction, V(Ⅳ) → V(Ⅲ) is more positive for oxovanadium complexes containing sulfur donor atoms than other VO(Ⅳ) complexes having oxygen or nitrogen donor atoms.
Page	89 - 94
Full Text	PDF

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