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    • 84. 发明专利
    • Preparation of(1,1'-bicyclohexyl)-1-carboxylic acid 2-(diethylamino)ethyl ester
    • (1,1'-二苄基)-1-羧酸2-(二乙基氨基)乙酯的制备
    • JPS57122051A
    • 1982-07-29
    • JP747481
    • 1981-01-21
    • Kawaken Fine Chem Co Ltd
    • KAGAWA HISASHIKIMIZUKA YOSHIYUKI
    • C07C219/12C07C67/00C07C213/00
    • PURPOSE: To prepare the titled compound useful as a remedy for the spasmodic diseases of the stomach and the gallbladder, by reacting a bicyclohexanol compound with formic acid, and reacting the product with 2-(diethylamino)ethyl chloride hydrochloride.
      CONSTITUTION: The objective compound of formula IV can be obtained by (1) reacting [1,1'-bicyclohexyl]-2-ol of formulaI and/or [1,1'-bicyclohexyl]-1-ol of formula II with formic acid in the presence of conc. sulfuric acid, (2) adding an aqueous alkaline solution to the resultant [1,1'-bicyclohexyl]-1-carboxylic acid of formula III to convert the carboxylic acid to an aqueous solution of the alkali metal salt, and (3) esterifying with an aqueous solution of 2-(diethylamino) ethyl chloride hydrochloride.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:通过使双环己醇化合物与甲酸反应,并使产物与2-(二乙基氨基)乙基氯盐酸盐反应,制备可用作胃和胆囊痉挛性疾病的药物的标题化合物。 结构式:式Ⅳ的目标化合物可以通过以下方法获得:(1)使式Ⅰ的[1,1'-二环己基] -2-醇和/或式Ⅱ的[1,1'-二环己基] -1-醇与甲酸 酸在浓缩物存在下 硫酸,(2)向所得的式III的[1,1'-双环己基] -1-羧酸加入碱性水溶液以将羧酸转化为碱金属盐的水溶液,和(3)酯化 与2-(二乙基氨基)乙基氯盐酸盐的水溶液。