申请人:Toray Industries, Inc.
公开号:US04065475A1
公开(公告)日:1977-12-27
High purity cis-epoxysuccinic acid and salts thereof are economically and systematically prepared by contacting an aqueous solution, obtained by reacting a maleic acid salt and hydrogen peroxide in the presence of a tungstate or molybdate catalyst under a specified condition, with a strongly basic Type II anion exchange resin.
高纯度顺式环氧琥珀酸及其盐通过在特定条件下,将在钨酸盐或钼酸盐催化剂存在下反应马来酸盐和过氧化氢得到的水溶液与强碱性II型阴离子交换树脂接触,经济而系统地制备。