One-pot synthesis of phthalides via regioselective intramolecular cyclization from ortho-alkynylbenzaldehydes
作者:Jim Li、Elbert Chin、Alfred S. Lui、Lijing Chen
DOI:10.1016/j.tetlet.2010.09.023
日期:2010.11
A one-pot synthesis of phthalides via an intramolecular 5-exo-dig cyclization of ortho-alkynylbenzaldehydes under mild NaClO2 oxidation conditions is described. (C) 2010 Elsevier Ltd. All rights reserved.