Chemo-, regio-, and enantioselective synthesis of allylic nitrones via rhodium-catalyzed addition of oximes to allenes?

Chemical Communications Pub Date: 2019-06-03 DOI: 10.1039/C9CC03391B

Abstract

The first chemo-, regio-, and enantioselective rhodium-catalyzed addition of oximes to allenes is reported. Using a Rh(I)/Josiphos catalyst system under mild conditions, the construction of allylic C–N bonds instead of C–O bonds was achieved. This method permits the atom-economic synthesis of branched allylic nitrones in good to quantitative yields with excellent enantioselectivities.

Graphical abstract: Chemo-, regio-, and enantioselective synthesis of allylic nitrones via rhodium-catalyzed addition of oximes to allenes
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