Gold catalyzed enantioselective intermolecular [3+2] dipolar cycloaddition of N-allenyl amides with nitrones

Chem Commun (Camb). 2013 May 25;49(42):4770-2. doi: 10.1039/c3cc41769g.

Abstract

A gold catalyzed enantioselective [3+2] dipolar cycloaddition of N-allenyl amides with nitrones was developed to give chiral 4-alkylidenyl isoxazolidine derivatives in high yields and excellent enantioselectivities by using BINOL derived chiral phosphoramidate Au(I) catalysts.