Diarylrhodates as Promising Active Catalysts for the Arylation of Vinyl Ethers with Grignard Reagents

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• 作者：Takanori Iwasaki ; Yoshinori Miyata ; Ryo Akimoto ; Yuuki Fujii ; Hitoshi Kuniyasu ; Nobuaki Kambe
• 刊名：Journal of the American Chemical Society
• 出版年：2014
• 出版时间：July 2, 2014
• 年：2014
• 卷：136
• 期：26
• 页码：9260-9263
• 全文大小：368K
• ISSN：1520-5126

文摘

Anionic diarylrhodium complexes, generated by reacting [RhCl(cod)]₂ with 2 equiv of aryl Grignard reagents, were found to be effective active catalysts in cross-coupling reactions of vinyl ethers with aryl Grignard reagents, giving rise to the production of vinyl arenes. In this catalytic system, vinyl-O bonds were preferably cleaved over Ar鈥揙 or Ar鈥揃r bonds. A lithium rhodate complex was isolated, and its crystal structure was determined by X-ray crystallography.