Reactivity and rearrangements of dialkyl- and diarylvinylsulfonium salts with indole-2- and pyrrole-2-carboxaldehydes
作者:Yufeng Wang、Weihong Zhang、Vincent J Colandrea、Leslie S Jimenez
DOI:10.1016/s0040-4020(99)00605-5
日期:1999.8
Various dialkyl- and diarylvinylsulfonium salts react with indole-2-carboxaldehydes in the presence of sodium hydride and sodium azide to form tricyclic azido alcohols analogous to 2. With pyrrole-2-carboxaldehyde, [2,3] sigmatropic and other rearrangements occur except in the case of diphenylvinylsulfonium trifluoromethanesulfonate where the annulation reaction does take place to give a low yield