Rhodium-Catalyzed Transannulation of N-Sulfonyl-1,2,3-triazoles and Epoxides: Regioselective Synthesis of Substituted 3,4-Dihydro-2H-1,4-oxazines

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• 作者：Xueji Ma ; Shanfei Pan ; Hangxiang Wang ; Wanzhi Chen
• 刊名：Organic Letters
• 出版年：2014
• 出版时间：September 5, 2014
• 年：2014
• 卷：16
• 期：17
• 页码：4554-4557
• 全文大小：327K
• ISSN：1523-7052

文摘

Rhodium-catalyzed transannulation of 1,2,3-triazoles and ring-opening reactions of epoxides is described. A number of 3,4-dihydro-2H-1,4-oxazines are obtained in moderate yields probably involving generation of 伪-imino rhodium(II) carbene species.