Hydrogenolysis of Unstrained Carbon−Carbon σ Bonds: Stereoselective Entry into Benzylic Tertiary Centers
作者:Ashraf Wilsily、Yen Nguyen、Eric Fillion
DOI:10.1021/ja9076815
日期:2009.11.4
through Pd-catalyzed reductive cleavage of unstrained carbon-carbon sigmabonds is described. From the hydrogenolysis of benzyl Meldrum's acids bearing an all-carbon benzylic quaternary center, Meldrum's acid and aromatics substituted with a tertiary benzylic stereocenter were obtained in good to excellent yields. Mechanistic studies showed that the reductive cleavage of enantioenriched benzylic quaternary