Technical Notes:
1.Mannich Reaction: The asymmetric addition of the present HWE reagents to N-ca rbamoyl imines
generated in situ was achieved. The corresponding Mannich adducts can be further transformed to aza- MBH type products in good to excellent enantioselectivities.
References:
1. Chem. Sci., 2011, 2, 1918-1921.