Jh. Rigby et al., [1- CONSTRUCTION OF FUNCTIONALLY ELABORATE PYRROLINONE DERIVATIVES(4]CYCLOADDITION OF VINYL ISOCYANATES WITH ISOCYANIDES ), Tetrahedron, 49(45), 1993, pp. 10219-10228
Reaction of alkyl isocyanides with vinyl isocyanates affords highly fu
nctionalized pyrrolinone and hydroindolone products via a novel [1+4]
cyclization process.