Rhodium(III)-Catalyzed Regioselective Decarboxylative Cyclization for the Synthesis of 4H-Furo[3,2-c]chromen-4-one Derivatives

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• 作者：Dandan Zha ; Hongji Li ; Shiqing Li and Lei Wang
• 刊名：Advanced Synthesis & Catalysis
• 出版年：2017
• 出版时间：February 2, 2017
• 年：2017
• 卷：359
• 期：3
• 页码：467-475
• 全文大小：1347K
• ISSN：1615-4169

文摘

This contribution describes a regioselective cyclization of hypervalent iodine reagents (HIR) with propiolic acids in the presence of a rhodium catalyst. The mild decarboxylation can tolerate a wide range of groups and generates 4H-furo[3,2-c]chromen-4-one derivatives in good isolated yields.