Ni-heterocyclic carbene (NHC)-catalyzed [3+2] cycloaddition reaction to construct spirooxindole dihydrofuran-condensed and pyrazolone compounds with high diastereoselectivity
High non enantioselective construction of spiroxyindole dihydrofuran and pyrazolinone compounds catalyzed by nitrogen heterocyclic carbene (NHC) in [3+2] cycloaddition reaction
N-heterocyclic carbene (NHC) catalyzed [3+2] cycloaddition reaction to construct spiroindoline dihydrofuran and pyrazolone compounds with high diastereoselectivity.