Intermolecular Cyclopropanation of Styrenes Using Iodine and Visible Light via Carbon–Iodine Bond Cleavage

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• 作者：Kaoru Usami ; Yoshitomo Nagasawa ; Eiji Yamaguchi ; Norihiro Tada ; Akichika Itoh
• 刊名：Organic Letters
• 出版年：2016
• 出版时间：January 4, 2016
• 年：2016
• 卷：18
• 期：1
• 页码：8-11
• 全文大小：345K
• ISSN：1523-7052

文摘

The intermolecular cyclopropanation of aromatic olefins with activated methylene compounds using iodine and visible light irradiation was described. This reaction proceeds under rare-metal-free conditions. Styrenes with various substituted groups (alkyl and electron-withdrawing groups) provided corresponding cyclopropanes in moderate to good yields.