Rhodium-Catalyzed Oxidative Coupling of Benzoic Acids with Terminal Alkynes: An Efficient Access to 3-Ylidenephthalides

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• 作者：Yang Liu ; Yudong Yang ; Yang Shi ; Xiaojie Wang ; Luoqiang Zhang ; Yangyang Cheng ; Jingsong You
• 刊名：Organometallics
• 出版年：2016
• 出版时间：May 23, 2016
• 年：2016
• 卷：35
• 期：10
• 页码：1350-1353
• 全文大小：321K
• 年卷期：0
• ISSN：1520-6041

文摘

Herein we disclose the first example of transition-metal-catalyzed oxidative coupling/annulation of simple benzoic acids with terminal alkynes via C–H activation. A range of aromatic carboxylic acids and terminal alkynes have been found to be viable substrates in this reaction, providing a simple and efficient method for the synthesis of diverse 3-ylidenephthalides with complete Z selectivity.