CN Patent

CN1849311A — 二甲氧基多西他赛丙酮化物及其制备方法

Assigned to Aventis Pharma SA · Expires 2006-10-18 · 20y expired

What this patent protects

本发明涉及二甲氧基多西他赛丙酮化物，即4－乙酰氧基－2α－苯甲酰氧基－5β，20－环氧基－1－羟基－7β，10β－二甲氧基－9－氧代紫杉－11－烯－13α－基(2R，3S)－3－叔丁氧基羰基氨基－2－羟基－3－苯基丙酸酯，本发明还涉及通过在水－丙酮中结晶制备该化合物的方法。

USPTO Abstract

本发明涉及二甲氧基多西他赛丙酮化物，即4－乙酰氧基－2α－苯甲酰氧基－5β，20－环氧基－1－羟基－7β，10β－二甲氧基－9－氧代紫杉－11－烯－13α－基(2R，3S)－3－叔丁氧基羰基氨基－2－羟基－3－苯基丙酸酯，本发明还涉及通过在水－丙酮中结晶制备该化合物的方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN1849311A
Jurisdiction
CN
Classification
—
Expires
2006-10-18
Drug substance claim
No
Drug product claim
No
Assignee
Aventis Pharma SA
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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