CN Patent

CN107759623A — Jak抑制剂的中间体及其制备方法

Assigned to Suzhou Wangshan Wangshui Biopharmaceutical Co ltd · Expires 2018-03-06 · 8y expired

What this patent protects

本发明涉及一种JAK抑制剂鲁索利替尼新型关键中间体及其制备方法，该中间体化学名称为(R)‑3‑(4‑硼酸‑1H‑吡唑‑1‑基)‑3‑环戊丙腈。本发明为制备鲁索利替尼提供了新的路线，该路线的各步反应均具有较高收率，反应总收率高，所得产品纯度好，反应的后处理简单，无需柱层析；且采用该路线，所需要的原料或用到的催化剂等物质都比较容易得到，与现有技术比，本发明方法更经济、更适于工业化生产。

USPTO Abstract

本发明涉及一种JAK抑制剂鲁索利替尼新型关键中间体及其制备方法，该中间体化学名称为(R)‑3‑(4‑硼酸‑1H‑吡唑‑1‑基)‑3‑环戊丙腈。本发明为制备鲁索利替尼提供了新的路线，该路线的各步反应均具有较高收率，反应总收率高，所得产品纯度好，反应的后处理简单，无需柱层析；且采用该路线，所需要的原料或用到的催化剂等物质都比较容易得到，与现有技术比，本发明方法更经济、更适于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN107759623A
Jurisdiction
CN
Classification
—
Expires
2018-03-06
Drug substance claim
No
Drug product claim
No
Assignee
Suzhou Wangshan Wangshui Biopharmaceutical 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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