Enantioselective construction of vicinal all-carbon quaternary centers via catalytic double asymmetric decarboxylative allylation
作者:Santanu Ghosh、Subhajit Bhunia、Badrinath N. Kakde、Subhadip De、Alakesh Bisai
DOI:10.1039/c3cc49064e
日期:——
We report a catalytic stereoconvergent construction of vicinalall-carbonquaternarycenters via double stereoablative enantioselective alkylation of a mixture having racemic and meso diastereomers of esters to afford exceptional levels of diastereo- (up to 17 : 1) and enantioselectivity (up to >99% ee). The strategy offers an efficient and general approach to dimeric cyclotryptamine alkaloids sharing