Rhodium(II)-Catalyzed Stereoselective Synthesis of Allylsilanes
作者:David M. Guptill、Carolyn M. Cohen、Huw M. L. Davies
DOI:10.1021/ol4028978
日期:2013.12.20
The rhodium-catalyzed decomposition of 2-(triisopropylsilyl)ethyl aryl- and vinyldiazoacetates results in the stereoselectiveformation of Z-allylsilanes. The transformation is considered to proceed by silyl-directed intramolecular C–H functionalization to form a β-lactone intermediate followed by a silyl-activated extrusion of carbon dioxide.