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MECHANISM OF C- H INSERTION OF BICYCLOBUTANYLIDENE
【摘要】 <正> Ⅰ. INTRODUCTIONThe intramolecular C—H insertion of cyclic carbene is a short and valuable synthetic route for highly strained small-and poly-ring compounds. However, the reaction mechanism is not clear. Jones considered that n-approach mechanism is attainable, whereas an end-on approach is sterically impossible. The MINDO/3 calculations by Dewar and Chiu respectively showed that the reaction of bicyclobutanylidene 1 produced tetrahedrane
【关键词】 C—H Insertion；
concerted reaction；
end-on approach.；
【Key words】 C—H Insertion； concerted reaction； end-on approach.；
【Key words】 C—H Insertion； concerted reaction； end-on approach.；
【基金】 Project supported by the National Natural Science Foundation of China
- 【文献出处】 Chinese Science Bulletin ,科学通报(英文版) , 编辑部邮箱 ,1990年05期
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