Process for synthesis of 1-(aminomethyl)cyclohexane acetic acid hydrochloride
摘要:
合成1-(氨甲基)环己烷乙酸盐盐酸盐(加巴喷丁盐酸盐)的过程包括:
a) 将乙酸酐/醋酸铵混合物与1,1-环己烷-二乙酸反应,得到3,3-戊亚甲基谷氨酰胺;
b) 将3,3-戊亚甲基谷氨酰胺与氢氧化钠在水溶液中处理至溶解,将所得溶液滴入氢氧化钠/次氯酸钠混合物中,该混合物也是水溶液,然后用盐酸酸化,得到加巴喷丁盐酸盐。
Process for synthesis of 1-(aminomethyl)cyclohexane acetic acid hydrochloride
摘要:
合成1-(氨甲基)环己烷乙酸盐盐酸盐(加巴喷丁盐酸盐)的过程包括:
a) 将乙酸酐/醋酸铵混合物与1,1-环己烷-二乙酸反应,得到3,3-戊亚甲基谷氨酰胺;
b) 将3,3-戊亚甲基谷氨酰胺与氢氧化钠在水溶液中处理至溶解,将所得溶液滴入氢氧化钠/次氯酸钠混合物中,该混合物也是水溶液,然后用盐酸酸化,得到加巴喷丁盐酸盐。
Process for synthesis of 1-(aminomethyl)cyclohexane acetic acid hydrochloride
申请人:ERREGIERRE S.P.A.
公开号:US20040063997A1
公开(公告)日:2004-04-01
A process for synthesis of 1-(aminomethyl)cyclohexane acetic acid hydrochloride (Gabapentin hydrochloride) comprising:
a) Reaction of a mixture of acetic anhydride/ammonium acetate with 1,1-cyclohexane-diacetic acid to yield 3,3-pentamethylene glutarimide;
b) Treatment of 3,3-pentamethylene glutarimide with sodium hydroxide in an aqueous solution up to dissolution, dripping the solution thus obtained into a sodium hydroxide/sodium hypochlorite mixture, which is also aqueous, followed by acidification with hydrochloric acid to yield gabapentine hydrochloride.
合成1-(氨甲基)环己烷乙酸盐盐酸盐(加巴喷丁盐酸盐)的过程包括:
a) 将乙酸酐/醋酸铵混合物与1,1-环己烷-二乙酸反应,得到3,3-戊亚甲基谷氨酰胺;
b) 将3,3-戊亚甲基谷氨酰胺与氢氧化钠在水溶液中处理至溶解,将所得溶液滴入氢氧化钠/次氯酸钠混合物中,该混合物也是水溶液,然后用盐酸酸化,得到加巴喷丁盐酸盐。