CN Patent

CN107573345B — 一种艾代拉利司及其中间体的制备方法

Assigned to Zhejiang Le Pu Pharmaceutical Ltd By Share Ltd · Expires 2020-01-10 · 6y expired

What this patent protects

本发明公开了一种艾代拉利司及其中间体的制备方法。本方法以2‑卤代‑6‑氟‑N‑苯基苯酰胺为原料与N‑(9’‑四氢吡喃‑6’‑嘌呤基)‑L‑2‑氨基丁酸反应,再与碳酸铵或液氨在氧化亚铜、铜、碳酸钾或碳酸铯把2‑卤代取代成氨,再在六甲基二硅化烷基胺和碘存在下闭环,最后与盐酸溶液脱去吡喃生成产品艾代拉利司成品。本工艺提供了一种新的方法合成艾代拉利司的方法,本工艺可采用原料易得的2‑卤‑6‑氟苯甲酸为起始原料,合成过程中避免了用锌粉还原硝基等产生的醋酸锌污染等优势。

USPTO Abstract

本发明公开了一种艾代拉利司及其中间体的制备方法。本方法以2‑卤代‑6‑氟‑N‑苯基苯酰胺为原料与N‑(9’‑四氢吡喃‑6’‑嘌呤基)‑L‑2‑氨基丁酸反应,再与碳酸铵或液氨在氧化亚铜、铜、碳酸钾或碳酸铯把2‑卤代取代成氨,再在六甲基二硅化烷基胺和碘存在下闭环,最后与盐酸溶液脱去吡喃生成产品艾代拉利司成品。本工艺提供了一种新的方法合成艾代拉利司的方法,本工艺可采用原料易得的2‑卤‑6‑氟苯甲酸为起始原料,合成过程中避免了用锌粉还原硝基等产生的醋酸锌污染等优势。

Drugs covered by this patent

Patent Metadata

Patent number
CN107573345B
Jurisdiction
CN
Classification
Expires
2020-01-10
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Le Pu Pharmaceutical Ltd By Share 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.