CN Patent

CN105985289B — 一种乐伐替尼的制备方法

Assigned to Chia Tai Tianqing Pharmaceutical Group Co Ltd · Expires 2018-12-21 · 7y expired

What this patent protects

本发明涉及一种乐伐替尼的制备方法，具体涉及通过一步成脲反应制备得到乐伐替尼。本发明所述的乐伐替尼的制备方法，产生的难除性杂质较少，后处理更容易，便于原料药生产的质量控制，也对后续制剂的研究提供了方便。

USPTO Abstract

本发明涉及一种乐伐替尼的制备方法，具体涉及通过一步成脲反应制备得到乐伐替尼。本发明所述的乐伐替尼的制备方法，产生的难除性杂质较少，后处理更容易，便于原料药生产的质量控制，也对后续制剂的研究提供了方便。

Drugs covered by this patent

Patent Metadata

Patent number
CN105985289B
Jurisdiction
CN
Classification
—
Expires
2018-12-21
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.

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