Palladium(0)-catalyzed amino-heck reaction of gamma,delta-unsaturated ketone n,n,n-trimethylhydrazonium salts

摘要

Oxidative addition of N,N,N-trialkylhydrazonium salts takes place to a palladium(O) complex,resulting the formation of alkylideneaminopalladium(II) species.This N-N bond scission process is applied to the transformation of gamma,delta-unsaturated ketone hydrazonium salts to pyrroles by amino-Heck reaction.