A DAST-free route to aryl(difluoromethyl)phosphonic esters
作者:K. Blades、G. S. Cockerill、H. J. Easterfield、T. P. Lequeux、J. M. Percy
DOI:10.1039/cc9960001615
日期:——
The cerium(III)-mediated addition of diethyl (lithiodifluoromethyl)phosphonate to a benzoquinone monoketal allows the synthesis of phenol bearing the (diethoxyphosphonyl)difluoromethyl group via short, scaleable reaction sequences which avoid the use of the DAST reagent.