Triazole??Gold??Promoted, Effective Synthesis of Enones from Propargylic Esters and Alcohols: A Catalyst Offering Chemoselectivity, Acidity and Ligand Economy

…, A Harris, LNS Gautam, Y Chen, X Shi

文献索引：Wang, Dawei; Zhang, Yanwei; Harris, Alexandria; Gautam, Lekh Nath S.; Chen, Yunfeng; Shi, Xiaodong Advanced Synthesis and Catalysis, 2011 , vol. 353, # 14-15 p. 2584 - 2588

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被引用次数: 44

摘要

Abstract The air, moisture and thermally stable 1, 2, 3-triazole coordinated gold (I) complexes (TA-Au) were revealed as the effective catalysts in promoting propargylic ester rearrangement and sequential allene hydration, giving the enones with excellent yields (up to 97% yields, 0.2% loading). The catalysts could also catalyze the more challenging Meyer– Schuster rearrangement (0.5% loading, up to 98% yields). The reported reaction ...