Journal of the American Chemical Society, Vol.132, No.4, 1184-1184, 2010
Highly Enantioselective Intramolecular Copper Catalyzed C-H Insertion Reactions of alpha-Diazosulfones
Excellent enantiocontrol (up to 98% ee) is achieved in copper catalyzed C-H insertions of alpha-diazosulfones to form thiopyrans, with up to 60% ee in C-H insertions leading to sulfolanes.