Pd-free Sonogashira coupling: one pot synthesis of phthalide via domino Sonogashira coupling and 5-exo-dig cyclization
作者:Shubhendu Dhara、Raju Singha、Munmun Ghosh、Atiur Ahmed、Yasin Nuree、Anuvab Das、Jayanta K. Ray
DOI:10.1039/c4ra07639g
日期:——
Phthalides have been synthesized exclusively in one pot via Pd-free Sonogashira coupling.
邻苯二甲酸酯已经通过无钯Sonogashira偶联一锅法合成。
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.