Accelerating influence of the gem-difluoromethylene group in a ring-closing olefin metathesis reaction. A Thorpe–Ingold effect?
作者:César A. Urbina-Blanco、Maciej Skibiński、David O'Hagan、Steven P. Nolan
DOI:10.1039/c3cc44312d
日期:——
The gem-difluoromethylene (CF2) group significantly accelerates ring-closing metathesis of 1,8-nonadienes relative to the methylene (CH2) group demonstrating similar rate accelerations to that observed for the classic Thorpe-Ingold substituents, diester malonates and ketals.