CN Patent

CN104447620B — 1-[3-[3-(4-氯苯基)丙氧基]丙基]-哌啶盐酸盐的制备方法

Assigned to Reyoung Pharmaceutical Co Ltd · Expires 2016-05-04 · 10y expired

What this patent protects

本发明涉及一种1-[3-[3-(4-氯苯基)丙氧基]丙基]-哌啶盐酸盐的制备方法,步骤为:(1)将哌啶和1,3-二卤代丙烷置于水溶性的极性非质子性溶剂中,在碱性化合物作用下,缩合反应得到N-(3-卤丙基)哌啶;(2)N-(3-卤丙基)哌啶与3-(4-氯苯基)丙醇在溶剂中,碱性化合物作用下进行醚化,得到化合物1-[3-[3-(4-氯苯基)丙氧基]丙基]-哌啶;(3)1-[3-[3-4-氯苯基)丙氧基]丙基]-哌啶与HCl反应得到产品。本发明工艺步骤简单,操作方便,原料易得,价格便宜,制备的产物收率高,纯度高,成本低,适合工业化生产。

USPTO Abstract

本发明涉及一种1-[3-[3-(4-氯苯基)丙氧基]丙基]-哌啶盐酸盐的制备方法,步骤为:(1)将哌啶和1,3-二卤代丙烷置于水溶性的极性非质子性溶剂中,在碱性化合物作用下,缩合反应得到N-(3-卤丙基)哌啶;(2)N-(3-卤丙基)哌啶与3-(4-氯苯基)丙醇在溶剂中,碱性化合物作用下进行醚化,得到化合物1-[3-[3-(4-氯苯基)丙氧基]丙基]-哌啶;(3)1-[3-[3-4-氯苯基)丙氧基]丙基]-哌啶与HCl反应得到产品。本发明工艺步骤简单,操作方便,原料易得,价格便宜,制备的产物收率高,纯度高,成本低,适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104447620B
Jurisdiction
CN
Classification
Expires
2016-05-04
Drug substance claim
No
Drug product claim
No
Assignee
Reyoung Pharmaceutical Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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