CN Patent

CN106316935B — 一种Abemaciclib中间体的制备方法

Assigned to Chia Tai Tianqing Pharmaceutical Group Co Ltd · Expires 2019-03-26 · 7y expired

What this patent protects

本发明属于医药化工领域，具体而言涉及一种Abemaciclib中间体的制备方法。本发明的制备方法，通过先后还原5‑(4‑乙基哌嗪‑1‑羰基)‑2‑硝基吡啶的硝基和羰基，从而得到Abemaciclib中间体5‑(4‑乙基‑哌嗪‑1‑基甲基)‑吡啶‑2‑基胺，该方法所用原料和试剂容易获得，反应条件温和，避免使用有毒、有刺激性和强腐蚀性试剂，绿色环保，制备简单易操作，所得产品具有高收率和高纯度，特别适合工业化生产。

USPTO Abstract

本发明属于医药化工领域，具体而言涉及一种Abemaciclib中间体的制备方法。本发明的制备方法，通过先后还原5‑(4‑乙基哌嗪‑1‑羰基)‑2‑硝基吡啶的硝基和羰基，从而得到Abemaciclib中间体5‑(4‑乙基‑哌嗪‑1‑基甲基)‑吡啶‑2‑基胺，该方法所用原料和试剂容易获得，反应条件温和，避免使用有毒、有刺激性和强腐蚀性试剂，绿色环保，制备简单易操作，所得产品具有高收率和高纯度，特别适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN106316935B
Jurisdiction
CN
Classification
—
Expires
2019-03-26
Drug substance claim
No
Drug product claim
No
Assignee
Chia Tai Tianqing Pharmaceutical Group 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.

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.