CN103435575A — 1-( 3-( 3-( 4-氯苯基)丙氧基)丙基)哌啶盐酸盐的制备方法
Assigned to Institute of Pharmacology and Toxicology of AMMS · Expires 2013-12-11 · 12y expired
What this patent protects
本发明涉及1-(3-(3-(4-氯苯基)丙氧基)丙基)哌啶盐酸盐的制备方法,其包括以下步骤:以3-(4-氯苯基)丙酸为起始原料,经还原、酯化两步反应得3-(4-氯苯基)丙基甲磺酸酯;以哌啶为原料,经N-烷基化得到1-哌啶丙醇;3-(4-氯苯基)丙基甲磺酸酯与1-哌啶丙醇在N,N-二甲基乙酰胺介质中经取代反应后成盐得到1-(3-(3-(4-氯苯基)丙氧基)丙基)哌啶盐酸盐。本发明的制备方法具有操作简便、安全、后处理简单、原料廉价易得、收率高等特点,特别适合工业化生产。
USPTO Abstract
本发明涉及1-(3-(3-(4-氯苯基)丙氧基)丙基)哌啶盐酸盐的制备方法,其包括以下步骤:以3-(4-氯苯基)丙酸为起始原料,经还原、酯化两步反应得3-(4-氯苯基)丙基甲磺酸酯;以哌啶为原料,经N-烷基化得到1-哌啶丙醇;3-(4-氯苯基)丙基甲磺酸酯与1-哌啶丙醇在N,N-二甲基乙酰胺介质中经取代反应后成盐得到1-(3-(3-(4-氯苯基)丙氧基)丙基)哌啶盐酸盐。本发明的制备方法具有操作简便、安全、后处理简单、原料廉价易得、收率高等特点,特别适合工业化生产。
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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