Technical Notes:
1.aza-Michael Addition: Catalyst for the enantioselective aza-Michael addition of aromatic amines to nitroolefins.
2.Cycloaddition: A chiral phos phoric acid- catalyzed intramolecular 1,3-dipolar cycloaddition of 4-(2-
formylphenoxy )butenoates with amino esters provides hexahydromeno4 , 3-bpyrrolidine derivatives in high enantioselectivity (up to 94% ee)
References:
1.Chinese J Catal, 2011, 32, 1573-1576.
2.Org. Biomol. Chem., 2010, 8, 2016-2019.