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

Chemical Communications Pub Date: 2013-04-03 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.

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