Gold-Catalyzed Oxidation of Thioalkynes To Form Phenylthio Ketene Derivatives via a Noncarbene Route
作者:Pankaj Sharma、Rahulkumar Rajmani Singh、Sovan Sundar Giri、Liang-Yu Chen、Mu-Jeng Cheng、Rai-Shung Liu
DOI:10.1021/acs.orglett.9b01768
日期:2019.7.19
Gold-catalyzedoxidations of thioalkynes with 8-methylquinoline oxides afford 2-phenylthioketenes that can be trapped efficiently with alcohols. The synthetic utility is manifested by terminal and internal thioalkynes over a wide scope, bearing esters, ketones, alkyl, and oxime substituents. Our density functional theory calculations suggest that gold-catalyzedoxidations of terminal and internal thioalkynes