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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 12, Number 3
BKCSDE 12(3)
March 20, 1991

Title	Electrochemical Behaviors of Sparteine-Copper (Ⅱ) Dihalide
Author	Sung-Nak Choi, Jin-Hyo Park, Young-In Kim, Yoon-Bo Shim
Keywords
Abstract	Electrochemical behaviors of optically active sparteine-Cu(II) dihalide complexes were investigated by polarography and cyclic voltammetry (CV). These Cu(II) complexes are rather easier to be reduced to Cu(I) states when comparison is made with other nonplaner copper complexes, We have assigned the CV peaks and polarographic waves related to the redox processes for these complexes. We could also observe the exchange reaction of Cu(II) ion in the complex with mercury metal in the cell having mercury pool. The redox mechanism of these complelxes is as follows; The 1st wave appeared at +0.47 V/+0.65 V corresponds to the reaction of SpCuX2 + e ↔ SPCUX2- and the 2nd one at +0.26 V/+0.21 V does the reaction of SPCUX2- + e ↔ SpCuX22-. The 3rd one at -0.35 V/-0.27 V is dueto the reduction of mercury complex formed via exchange reaction. Where, X is chloride ion.
Page	276 - 281
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