Bismuth triflate-catalyzed oxa- and thia-Pictet–Spengler reactions: access to iso- and isothio-chroman compounds
作者:Christian Lherbet、David Soupaya、Cécile Baudoin-Dehoux、Chantal André、Casimir Blonski、Pascal Hoffmann
DOI:10.1016/j.tetlet.2008.07.007
日期:2008.9
A new route to functionalized iso(thio)chromans is described. The compounds are accessible easily in a one pot-reaction by using different benzaldehydes and phenylethanethiol or phenylethanol in presence of bismuth triflate. (C) 2008 Elsevier Ltd. All rights reserved.