Highly diastereo- and enantioselective synthesis of spirooxindole-cyclohexaneamides through N,N'-dioxide/Ni(ii)-catalyzed Diels-Alder reactions.

Highly diastereo- and enantioselective synthesis of spirooxindole-cyclohexaneamides through N,N'-dioxide/Ni(ii)-catalyzed Diels-Alder reactions.