| abstract |
(57) [Problem] To provide a production method capable of efficiently obtaining a phosphoric ester compound of the general formula (III) even when a phenolic compound having no steric hindrance is used. (A) A compound of the general formula (I), (B) a compound of the general formula When synthesizing the phosphoric ester compound of the general formula (III) using the compound of (II), (C) phosphorus oxychloride, and the catalyst (D) Lewis acid, an excessive amount of the component (B) is used. The excess (B) component is removed after the catalyst is deactivated by using water or the like. Embedded image (In the formula, X represents an alkylidene group having 1 to 4 carbon atoms.) (In the formula, R represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms.) (In the formula, X and R correspond to X and R in the formulas (I) and (II), and n represents an integer of 1 to 3.) |