CN Patent

CN107759517A — 一种甲苯磺酸索拉非尼晶型ⅰ的制备方法

Assigned to Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd Baiyunshan Pharmaceutical General Factory · Expires 2018-03-06 · 8y expired

What this patent protects

一种甲苯磺酸索拉非尼晶型Ⅰ的制备方法，将晶型Ⅱ的甲苯磺酸索拉非尼溶解于二甲基亚砜中至溶解完全，加入醇类溶剂，析晶，分离，即得。本发明使用的有机溶剂均毒性较小、可工业化供应、廉价易得，本发明对环境友好，生产方法简单，得到的甲苯磺酸索拉非尼晶型Ⅰ晶形稳定。

USPTO Abstract

一种甲苯磺酸索拉非尼晶型Ⅰ的制备方法，将晶型Ⅱ的甲苯磺酸索拉非尼溶解于二甲基亚砜中至溶解完全，加入醇类溶剂，析晶，分离，即得。本发明使用的有机溶剂均毒性较小、可工业化供应、廉价易得，本发明对环境友好，生产方法简单，得到的甲苯磺酸索拉非尼晶型Ⅰ晶形稳定。

Drugs covered by this patent

Patent Metadata

Patent number
CN107759517A
Jurisdiction
CN
Classification
—
Expires
2018-03-06
Drug substance claim
No
Drug product claim
No
Assignee
Guangzhou Baiyunshan Pharmaceutical Holdings Co Ltd Baiyunshan Pharmaceutical General Factory
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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