A method is provided for producing a 1,3,2-dioxaphosphole of the formula ##STR1## wherein ##STR2## respresents a benzene ring which may be substituted and R represents an aryl, alkoxy or aralkyloxy group which may be substituted, which comprises reacting a catechol compound of the formula ##STR3## wherein ##STR4## is an defined above, with a compound of the formula ##STR5## wherein X is a halogen atom and R is as defined above, at a temperature not higher than about 30.degree. C. in the presence of a base.
提供了一种生产式为##STR1##的1,3,2-二氧杂环
磷的方法,其中##STR2##表示可能被取代的苯环,R表示可能被取代的芳基,烷氧基或芳基烷氧基,包括在碱的存在下,将式为##STR3##的
间苯二酚化合物与式为##STR5##的化合物反应,其中X为卤素原子,R如上所定义,在不高于约30°C的温度下进行。