An efficient method for the annulation of five- and six-membered rings onto α,β-enones is described via gold-catalyzed 5- and 6-exo-dig selective cyclizations of alkynyl silyl enol ethers.
通过
金催化的炔基甲
硅烷基烯醇醚的5-和6- exo - dig选择性环化,描述了一种将五元环和六元环环合到α,β-烯酮上的有效方法。