Some cyclic phosphorus esters were prepared from o-hydroxybenzyl alcohol and its analogues. They reacted with nucleophilic agents to open their heterocyclic ring at P-O-C (aryl) bond. Phosphate ion catalyzed the hydrolysis of the cyclic phosphorus esters under a mild condition. An intermediate hydrolysate was separated by paper electrophoresis.
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Etō et al. (1962) studied this question.
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