CN Patent

CN107266451B — 瑞布昔利布中间体的制备方法

Assigned to Shanghai Institute of Pharmaceutical Industry · Expires 2021-12-31 · 4y expired

What this patent protects

本发明属于有机合成和药物合成领域,具体而言涉及一种瑞布昔利布中间体的制备方法,本发明的制备方法,是通过先得到2‑卤代‑7‑环戊基‑6‑(((四氢‑2H‑吡喃‑2‑基)氧基)甲基)‑7H‑吡咯并[2,3‑d]嘧啶后,再经三步反应得到瑞布昔利布中间体2‑卤代‑7‑环戊基‑N,N‑二甲基‑7H‑吡咯并[2,3‑d]嘧啶‑6‑甲酰胺,每一步反应均具有高收率和高纯度,因此整个路线总收率高,明显优于现有技术,且原料容易获得,生产成本低,制备简单易操作,反应试剂对环境友好,特别适合工业化生产。

USPTO Abstract

本发明属于有机合成和药物合成领域,具体而言涉及一种瑞布昔利布中间体的制备方法,本发明的制备方法,是通过先得到2‑卤代‑7‑环戊基‑6‑(((四氢‑2H‑吡喃‑2‑基)氧基)甲基)‑7H‑吡咯并[2,3‑d]嘧啶后,再经三步反应得到瑞布昔利布中间体2‑卤代‑7‑环戊基‑N,N‑二甲基‑7H‑吡咯并[2,3‑d]嘧啶‑6‑甲酰胺,每一步反应均具有高收率和高纯度,因此整个路线总收率高,明显优于现有技术,且原料容易获得,生产成本低,制备简单易操作,反应试剂对环境友好,特别适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN107266451B
Jurisdiction
CN
Classification
Expires
2021-12-31
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Institute of Pharmaceutical Industry
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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