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本文用电化学及光谱电化学方法研究了钴卟啉与苄基氯的相互作用,表明形成有σ钴—碳键的辅酶B_(12)模型化合物的前提条件是钴卟啉的中心钴氧化态必须降低到I价.讨论了σ钴—碳键的形成和解离与电位的关系,现场检测到辅酶B_(12)模型化合物的形成和解离的紫外可见光谱,提出了钴卟啉与苄基氯的ECE作用机理.
In this paper, the interaction between cobalt porphyrin and benzyl chloride was studied by electrochemical and spectroelectrochemical methods. The results showed that the precondition for the formation of co-B 12 model compounds with σ cobalt-carbon bond is that the central cobalt oxidation state of cobalt porphyrin Must be reduced to I. The relationship between the formation and dissociation of σ cobalt-carbon bond and potential was discussed, and the formation and dissociation of UV-Vis spectra of coenzyme B 12 model compounds were detected in the field, and the relationship between cobalt porphyrin and benzyl chloride ECE mechanism of action.