CN Patent

CN111689905B — 一种奥拉帕尼与马来酸的共晶及其制备方法

Assigned to Tianjin University of Technology · Expires 2021-12-03 · 4y expired

What this patent protects

本发明公开了一种奥拉帕尼与马来酸共晶及其制备方法。该共晶中奥拉帕尼与马来酸的摩尔比为1∶1，该共晶X射线粉末衍射图在2theta值为5.1±0.2°、9.8±0.2°、13.7±0.2°、16.0±0.2°、17.7±0.2°、20.0±0.2°处具有特征峰。本发明提供的共晶制备方法工艺简单，结晶过程易于控制，重现性好，适用于工业化生产。这种共晶较奥拉帕尼自由碱具有较大的表观溶解度，有利于提高奥拉帕尼的口服吸收效率。

USPTO Abstract

本发明公开了一种奥拉帕尼与马来酸共晶及其制备方法。该共晶中奥拉帕尼与马来酸的摩尔比为1∶1，该共晶X射线粉末衍射图在2theta值为5.1±0.2°、9.8±0.2°、13.7±0.2°、16.0±0.2°、17.7±0.2°、20.0±0.2°处具有特征峰。本发明提供的共晶制备方法工艺简单，结晶过程易于控制，重现性好，适用于工业化生产。这种共晶较奥拉帕尼自由碱具有较大的表观溶解度，有利于提高奥拉帕尼的口服吸收效率。

Drugs covered by this patent

Patent Metadata

Patent number
CN111689905B
Jurisdiction
CN
Classification
—
Expires
2021-12-03
Drug substance claim
No
Drug product claim
No
Assignee
Tianjin University of Technology
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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