Cyclopropanation of active methylene compounds with β-alkoxycarbonyl vinylsulfonium salts

Shenquan Guo,Niuniu Zhang,Xiangzheng Tang,Zhifeng Mao,Xuejing Zhang,Ming Yan,Yining Xuan

Chinese Chemical Letters（2019）

引用 7|浏览8

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摘要

An efficient synthesis of β-alkoxycarbonyl vinylsulfonium salts had been developed. Their reaction with indene-1,3-diones and other active methylene compounds provided cyclopropane carboxylates in good yields. A tentative reaction mechanism was proposed.

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关键词

Vinylsulfonium salt,Active methylene compound,Cyclopropanation

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