CHEMICAL COMMUNICATIONS, v.48, no.33, pp.3996 - 3998
Abstract
Free carbenes generated from α-diazo oxime ethers by photolysis undergo facile N-O insertion to afford 2-alkyl/aryloxy-2H-azirines in good to excellent yields. This method allowed for the development of a tandem reaction for pyrrole synthesis via 1,3-dipolar cycloaddition.