亲盐反应中卤素键作用的理论研究

Yu Zhang
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引用次数: 7

摘要

以CBr4、Cl3CCN、cl3cccl、CCl4和Cl3CF为底物,Cl−为亲核试剂,对亲盐反应进行了理论模拟。发现强卤素键的形成是发生亲盐反应的必要条件,但不是充分条件:强红移卤素键促进反应,而强蓝移卤素键阻碍反应。理论结果与实验结果吻合较好。
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On the role of halogen bond in the halophilic reaction: A theoretical study

Halophilic reactions have been modeled theoretically by employing CBr4, Cl3CCN, Cl3CCOCl, CCl4 and Cl3CF as substrates and Cl as a nucleophile. It was found that the formation of the strong halogen bond is a necessary but not sufficient condition for the occurring of the halophilic reaction: the strong red-shifting halogen bond facilitates the reaction whereas the strong blue-shifting halogen bond retards it. The theoretical results are in good agreement with the experimental results.

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