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Halocopper(II) complexes in acetic acid anhydride. III. Spontaneous redox changes of chloro- and bromocopper(II) complexes

Z. Biela and J. Gažo

Department of Inorganic Chemistry, Slovak Technical University, 880 37 Bratislava

 

Abstract: Redox changes occurring in the systems contg. complex species [CuCl3(Ac2O)]- and [CuBr3(Ac2O)]- were investigated. The course of the redox changes was influenced particularly by mol. O. The halocopper(I) complex resulting from the spontaneous redox reaction is stable in an inert atm., but in the presence of O it undergoes reoxidn. to halocuprate(II). The decrease of halides after complete redn. of Cu(II) to Cu(I) was in agreement with the proposed equation of the reaction: 2CuX3- + CH3COOCOCH3 → 2CuX2- + CH3COOCOCH2XZ + HX. The redox changes proceed much more slowly in AcOH soln. than in Ac2O soln.

Full paper in Portable Document Format: 333a318.pdf

 

Chemical Papers 33 (3) 318–322 (1979)

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