CN Patent

CN112142662B — 一种甲磺酸乐伐替尼的制备方法

Assigned to Nanjing Finetech Chemical Co ltd · Expires 2022-03-08 · 4y expired

What this patent protects

本发明涉及一种甲磺酸乐伐替尼的制备方法，具体涉及以4‑氯‑6‑氰基‑7‑甲氧基喹啉和2‑氯‑4‑羟基苯胺甲酸环丙酰胺为原料，经取代反应、水解反应两步高效合成甲磺酸乐伐替尼，本发明提供的甲磺酸乐伐替尼的制备方法是一种步骤短、高收率、低成本、三废少、产品纯度好、适宜工业化的制备方法。

USPTO Abstract

本发明涉及一种甲磺酸乐伐替尼的制备方法，具体涉及以4‑氯‑6‑氰基‑7‑甲氧基喹啉和2‑氯‑4‑羟基苯胺甲酸环丙酰胺为原料，经取代反应、水解反应两步高效合成甲磺酸乐伐替尼，本发明提供的甲磺酸乐伐替尼的制备方法是一种步骤短、高收率、低成本、三废少、产品纯度好、适宜工业化的制备方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN112142662B
Jurisdiction
CN
Classification
—
Expires
2022-03-08
Drug substance claim
No
Drug product claim
No
Assignee
Nanjing Finetech Chemical 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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