Synthesis of (.alpha.,.alpha.-difluoroalkyl)phosphonates by displacement of primary triflates
作者:David B. Berkowitz、MariJean Eggen、Quanrong Shen、Darby G. Sloss
DOI:10.1021/jo00075a005
日期:1993.11
Simple primary alkyl triflates and those derived from several monosaccharides are cleanly displaced by diethyl (lithiodifluoromethyl)phosphonate to provide the corresponding (alpha,alpha-difluoroalkyl)phosphonates in minutes at -78-degrees-C.