| Abstract: | A series of polyether dendritic chiral phosphine Lewis bases was synthesized, and successfully applied to the asymmetric aza‐Morita–Baylis–Hillman reaction of N‐sulfonated imines (N‐arylmethylidene‐4‐methylbenzenesulfonamides) with methyl vinyl ketone (MVK), ethyl vinyl ketone (EVK), and acrolein to give the adducts in good to excellent yields along with up to 97 % ee, which are more effective than our previously reported original chiral phosphine Lewis bases. In addition, the dendrimer‐supported chiral phosphine Lewis bases can be easily recovered and reused. |
