The novel pyrrolidine-based aminosulfonamides (R,R)-2, (S)-3, and (S)-4 were designed and synthesized as organocatalysts and successfully applied for the anti-selective directasymmetricMannichreaction.
Design of a C2-symmetric chiral pyrrolidine-based amino sulfonamide: application to anti-selective direct asymmetric Mannich reactions
作者:Taichi Kano、Yoshio Hato、Keiji Maruoka
DOI:10.1016/j.tetlet.2006.09.147
日期:2006.11
The anti-selective directasymmetricMannichreaction was found to be efficiently catalyzed by the novel pyrrolidine-based aminosulfonamide (R,R)-2 prepared from l-tartaric acid.