CN Patent

CN101918385A — 二甲氧基多西紫杉醇的结晶形式及其制备方法

Assigned to Aventis Pharma SA · Expires 2010-12-15 · 15y expired

What this patent protects

本发明涉及二甲氧基多西紫杉醇或4-乙酰氧基-2α-苯甲酰氧基-5β，20-环氧-1-羟基-7β，10β-二甲氧基-9-氧代-11-紫杉烯-13α-基醇的(2R，3S)-3-叔丁氧基羰基氨基-2-羟基-3-苯基丙酸酯的酸酐、溶剂化物和乙醇异溶剂化物和水合物的形式，以及它们的制备方法。

USPTO Abstract

本发明涉及二甲氧基多西紫杉醇或4-乙酰氧基-2α-苯甲酰氧基-5β，20-环氧-1-羟基-7β，10β-二甲氧基-9-氧代-11-紫杉烯-13α-基醇的(2R，3S)-3-叔丁氧基羰基氨基-2-羟基-3-苯基丙酸酯的酸酐、溶剂化物和乙醇异溶剂化物和水合物的形式，以及它们的制备方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN101918385A
Jurisdiction
CN
Classification
—
Expires
2010-12-15
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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