Kinetics of Complexation of Cadmium and Copper Acetates
with Tetraphenylporphin and Its Derivatives in Organic Solvents

E. M. Kuvshinova, A. S. Semeikin, and O. A. Golubchikov

Ivanovo State Academy of Chemical Technology, Ivanovo, Russia

Received January 9, 1996

Abstract—Kinetics of complexation of CdAc₂ and CuAc₂ with tetraphenylporphin derivatives has been stud-
ied in pyridine and in a 7 : 3 ethanol–benzene mixture in order to determine the effects of the nature of substit-
uents and solvents on the reaction. Electron-accepting substituents were found to accelerate coordination in
strongly coordinating pyridine and decelerate it in a binary 7 : 3 ethanol–benzene solvent, whereas electron-
donating substituents have the opposite effect.

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