A Convenient Method for the Synthesis of bis-Trifluoroethyl Phosphonoacetates

Abstract
Bis-Trifluoroethyl phosphonoacetates were easily obtained by condensation of bis-trifluoroethyl alkylphosphonates with alkyl chloroformates in the presence of 2 equivalents of lithium hexamethyldisilazane (LiHMDS).