Method for Highly Enantioselective Ligation of Two Chiral C(sp3) Stereocenters
摘要:
A method is described for the joining of two alpha-lithiated C(sp(3)) stereocenters efficiently and with retention of configuration. The key step involves the effective removal of two electrons from a chiral organocuprate R2CuLi, by i-propyl 2,4-dinitrobenzoate to form a Cu(III) complex that undergoes at -90 degrees C accelerated reductive elimination enantioselectively and exclusively without the formation of free radicals.
Method for Highly Enantioselective Ligation of Two Chiral C(sp<sup>3</sup>) Stereocenters
作者:Eswar Bhimireddy、E. J. Corey
DOI:10.1021/jacs.7b07366
日期:2017.8.16
A method is described for the joining of two alpha-lithiated C(sp(3)) stereocenters efficiently and with retention of configuration. The key step involves the effective removal of two electrons from a chiral organocuprate R2CuLi, by i-propyl 2,4-dinitrobenzoate to form a Cu(III) complex that undergoes at -90 degrees C accelerated reductive elimination enantioselectively and exclusively without the formation of free radicals.