申请人:Ciba-Geigy Corporation
公开号:US04433179A1
公开(公告)日:1984-02-21
A process for the preparation of allyl ethers of the formula R--O--CH.sub.2 --CH.dbd.CH.sub.2).sub.n in which R and n are as defined in claim 1, by reacting hydroxy compounds of the formula R--OH).sub.n with allyl chloride or allyl bromide by phase transfer catalysis, 0.8 to 5 mols of allyl chloride or allyl bromide, 1 to 6 mols of aqueous or solid sodium hydroxide and, as the phase transfer catalyst, 2 to 20 mol % of a quaternary ammonium salt, a quaternary ammonium base or a crown ether being employed per hydroxyl equivalent of the compound of the formula II, and the reaction being carried out in the temperature range from 20.degree. to 100.degree. C.
一种制备化学式为R--O--CH.sub.2 --CH.dbd.CH.sub.2).sub.n的烯丙基醚的方法,其中R和n如权利要求1所定义,通过相转移催化,将化学式为R--OH).sub.n的羟基化合物与烯丙基氯或烯丙基溴反应,使用0.8至5摩尔的烯丙基氯或烯丙基溴,1至6摩尔的水合或固体氢氧化钠,作为相转移催化剂,每个化合物II的羟基当量使用2至20摩尔%的季铵盐、季铵碱或冠醚,并在20°C至100°C的温度范围内进行反应。