Substrate-dependent Divergent Outcomes from Catalytic Reactions of Silyl-Protected Enoldiazoacetates with Nitrile Oxides: Azabicyclo3.1.0hexanes or 5-Arylaminofuran-2(3H)-ones

摘要

Dirhodium(II)-catalyzed reactions of silyl-protected enoldiazoacetates with nitrile oxides exhibit high nitrile oxide substituent dependence in the production rearrangement products via dipolar cycloaddition and either the Neber rearrangement or the Lossen rearrangement.