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本文对羰基铁催化黄樟油素、丁香酚异构化反应的机理及动力学进行了初步的研究,提出以下可能的反应机制:羰基铁在光照或加热下,首先形成配位不饱和羰基铁;随后,配位不饱和羰基铁与烯烃(如黄樟油素、丁香酚)生成络合物;络合物中的烯烃因电子离域作用而异构化;环境中的烯烃再取代络合物中的异构化烯烃,从而产生异构烯烃。此机制模型与五羰基铁光催化黄樟油素、丁香酚异构化反应的一级动力学一致。
In this paper, the mechanism and kinetics of carbonyl iron catalyzed the isomerization reaction of safrole and eugenol were preliminarily studied, and the following possible reaction mechanisms were proposed: Under the irradiation of light or heat, carbonyl iron first formed carbonyl carbonyl ; Subsequently, the coordination of unsaturated carbonyl iron and olefins (such as safrole, eugenol) complex; olefin in the complex due to electron delocalization and isomerization; the environment of the olefin substitution complexation Isomerization of olefins to produce isomeric olefins. This mechanism model is consistent with the first-order kinetics of photocatalytic isoside reaction of safrole and eugenol.