Effect of the Sterical Factor on the Kinetics of Octa(4-tert-butylphenyl)tetrapyrazinoporphyrazine in a Nitrogen-Containing Base–Dimethylsulfoxide System.

A study is performed for the state of octa(4-tert-butylphenyl)tetrapyrazinoporphyrazine in dimethylsulfoxide. The formation of a stable complex with proton transfer is observed. It is shown that addition of n-butylamine and diethylamine to dimethylsulfoxide results in the destruction of this complex and the tetrapyrazinoporphyrazine macrocycle. The effect the tert-butyl substituents in octaphenyltetrapyrazinoporphyrazine have on the kinetic parameters of the process is established. [ABSTRACT FROM AUTHOR]
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