Transition-Metal-Free Lactonization of sp2 C–H Bonds with CO2

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• 作者：Zhen Zhang ; Tao Ju ; Meng Miao ; Jie-Lian Han ; Yi-Han Zhang ; Xing-Yong Zhu ; Jian-Heng Ye ; Da-Gang YuYong-Gang Zhi
• 刊名：Organic Letters
• 出版年：2017
• 出版时间：January 20, 2017
• 年：2017
• 卷：19
• 期：2
• 页码：396-399
• 全文大小：440K
• ISSN：1523-7052

文摘

The transition-metal-free lactonization of heteroaryl and alkenyl C–H bonds with carbon dioxide is reported to synthesize important coumarin derivatives in moderate to excellent yields. These redox-neutral reactions feature a broad substrate scope, good functional group tolerance, facile scalability, and easy product derivatization.