Doubly dearomatising intramolecular coupling of a nucleophilic and an electrophilic heterocycle
作者:Heloise Brice、Jonathan Clayden
DOI:10.1039/b901558b
日期:——
Isonicotinamides carrying N-furanylmethyl, N-pyrrolylalkyl or N-thiophenylmethyl substituents at nitrogen undergo cyclisationinduced by an electrophile, giving spirocyclic compounds or doubly spirocyclic compounds in which both the nucleophilic and electrophilic heterocycles are dearomatised.