Lewis Acid Mediated Vinylogous Additions of Enol Nucleophiles into an α,β-Unsaturated Platinum Carbene

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• 作者：Paul A. Allegretti ; Khoi Huynh ; Tarik J. Ozumerzifon ; Eric M. Ferreira
• 刊名：Organic Letters
• 出版年：2016
• 出版时间：January 4, 2016
• 年：2016
• 卷：18
• 期：1
• 页码：64-67
• 全文大小：386K
• ISSN：1523-7052

文摘

A variety of substituted indoles and benzofurans are accessed via a platinum catalyzed annulation and vinylogous addition of enol nucleophiles. Several β-dicarbonyl compounds participate in the reaction, as do α-nitro and α-cyano carbonyl species. Subjecting the indole products to acidic conditions results in the formation of fused heterocycles.