Ah. Pankowski et al., SYNTHESIS VIA A CYCLIC DIOXATRICHLOROPHOSPHORANE OF 1,3-DIBENZYL-2-PHOSPHONOOXY CITRATE, Tetrahedron letters, 35(6), 1994, pp. 927-930
Phosphorylation of tribenzyl citrate with PCl5 proceeds via a cyclic d
ioxatrichlorophosphorane and results in the formation of 1,3-dibenzyl-
2-phosphonooxy citrate. A mechanism for the phosphorylation and ester
hydrolysis is proposed and the usefulness of the diester for producing
triesters is discussed.