Abstract

A number of medium to strong bands were found in the infrared spectra of heterocyclic esters of 1,3 and 1,4 glycols with phosphonic acids. A set of such bands appears to be characteristic of the esters of a given glycol with all the phosphonic acids. Some of the bands of each set were also observed for esters of phenylphosphoric acid. Such sets of bands do not appear to have been reported for other organophosphorus compounds.

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