Rhodium Thiavinyl Carbenes from 1,2,3-Thiadiazoles Enable Modular Synthesis of Multisubstituted Thiophenes
作者:Daria Kurandina、Vladimir Gevorgyan
DOI:10.1021/acs.orglett.6b00541
日期:2016.4.15
The rhodium-catalyzed transannulation reaction between 1,2,3-thiadiazoles and alkynes, proceeding via intermediacy of the previously unknown Rh thiavinyl carbene, toward a highly efficient and regioselective synthesis of up to fully substituted thiophenes is described.
描述了1,2,3-噻二唑与炔烃之间的铑催化的过环反应,该反应是通过以前未知的Rh噻吩基卡宾的中间体进行的,可进行高效且区域选择性的合成,直至完全取代的噻吩。