CN Patent

CN108586389B — 一种合成卡利拉嗪的方法

Assigned to Chengdu Focus Pharmaceutical Technology Co ltd · Expires 2020-06-12 · 6y expired

What this patent protects

本发明属于有机合成技术领域,提供了一种合成卡利拉嗪的方法。该新方法包括:(1)将反式‑2‑(4‑(3,3‑二甲基脲基)环己基)乙酸与1‑(2,3‑二氯苯基)哌嗪进行缩合反应,得到3‑(反式‑4‑{2‑[4‑(2,3‑二氯苯基)‑哌嗪‑1‑基]‑2‑氧代‑乙基}‑环己基)‑1,1‑二甲基脲;(2)通过硼烷还原3‑(反式‑4‑{2‑[4‑(2,3‑二氯苯基)‑哌嗪‑1‑基]‑2‑氧代‑乙基}‑环己基)‑1,1‑二甲基脲得到卡利拉嗪。该方法大大缩短了工艺步骤,确保了最终产品的纯度,总收率明显提高。

USPTO Abstract

本发明属于有机合成技术领域,提供了一种合成卡利拉嗪的方法。该新方法包括:(1)将反式‑2‑(4‑(3,3‑二甲基脲基)环己基)乙酸与1‑(2,3‑二氯苯基)哌嗪进行缩合反应,得到3‑(反式‑4‑{2‑[4‑(2,3‑二氯苯基)‑哌嗪‑1‑基]‑2‑氧代‑乙基}‑环己基)‑1,1‑二甲基脲;(2)通过硼烷还原3‑(反式‑4‑{2‑[4‑(2,3‑二氯苯基)‑哌嗪‑1‑基]‑2‑氧代‑乙基}‑环己基)‑1,1‑二甲基脲得到卡利拉嗪。该方法大大缩短了工艺步骤,确保了最终产品的纯度,总收率明显提高。

Drugs covered by this patent

Patent Metadata

Patent number
CN108586389B
Jurisdiction
CN
Classification
Expires
2020-06-12
Drug substance claim
No
Drug product claim
No
Assignee
Chengdu Focus Pharmaceutical Technology 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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