Multiple approaches to enantiopure spirocyclic benzofuranones using organocatalytic cascade reactions
作者:Carlo Cassani、Xu Tian、Eduardo C. Escudero-Adán、Paolo Melchiorre
DOI:10.1039/c0cc01957g
日期:——
Three distinct aminocatalytic cascadereactions leading to enantiomerically pure spirocyclic benzofuranones have been devised, highlighting the ability of organocascade to generate high degrees of stereochemical and architectural complexity in a single chemical transformation.