Abstract
Reaction of nickel 5,15-di(o-methoxyphenyl)-2,8,12,18-tetramethyl-3,7,13,17-tetrabutylporphyrinate and 5,10,15,20-tetraphenylporphyrinate with dicumene peroxide in benzene at 295 K was investigated by spectrophotometric method. Kinetic parameters of the reaction were determined, and mechanism of the studied process was suggested. Comparative analysis of the oxidative and reductive properties of nickel porphyrinates in reaction with dicumene peroxide was accomplished. Effect of the electronic and conformation factors on the reaction kinetics was shown. The theoretical calculation of the geometric parameters of the reagents and intermediates of the reaction was performed by PM3 quantum-chemical method.
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