CN Patent

CN106336377A — 一种甲苯磺酸索拉非尼晶型ⅱ的制备方法

Assigned to SUZHOU YABAO DRUG RESEARCH & DEVELOPMENT Co Ltd · Expires 2017-01-18 · 9y expired

What this patent protects

本发明提供了一种甲苯磺酸索拉非尼晶型Ⅱ的制备方法,包括如下步骤:(1)将索拉非尼游离碱加入乙醇中,升温;(2)加入对甲苯磺酸一水合物,搅拌至澄清,得到溶清液;(3)另取对甲苯磺酸一水合物加入乙醇中,得到对甲苯磺酸一水合物乙醇溶液;以及(4)将步骤(2)中溶清液降温,加入步骤(3)中对甲苯磺酸一水合物乙醇溶液,继续搅拌,控温,搅拌析晶,即得。本发明提供的方法简单、省时、节能,所得产品收率高、纯度达到100%。

USPTO Abstract

本发明提供了一种甲苯磺酸索拉非尼晶型Ⅱ的制备方法,包括如下步骤:(1)将索拉非尼游离碱加入乙醇中,升温;(2)加入对甲苯磺酸一水合物,搅拌至澄清,得到溶清液;(3)另取对甲苯磺酸一水合物加入乙醇中,得到对甲苯磺酸一水合物乙醇溶液;以及(4)将步骤(2)中溶清液降温,加入步骤(3)中对甲苯磺酸一水合物乙醇溶液,继续搅拌,控温,搅拌析晶,即得。本发明提供的方法简单、省时、节能,所得产品收率高、纯度达到100%。

Drugs covered by this patent

Patent Metadata

Patent number
CN106336377A
Jurisdiction
CN
Classification
Expires
2017-01-18
Drug substance claim
No
Drug product claim
No
Assignee
SUZHOU YABAO DRUG RESEARCH & DEVELOPMENT 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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