CN Patent

CN106279065A — 一种氢溴酸沃替西汀的精制转晶方法

Assigned to Beijing Shenlanhai Bio-Pharm Tech Co Ltd · Expires 2017-01-04 · 9y expired

What this patent protects

本发明提供了一种氢溴酸沃替西汀的精制转晶方法，属于化学药物合成技术领域。本发明采用新的重结晶溶剂体系，安全高效地得到β型氢溴酸沃替西汀。本发明方法解决了既往技术中存在的甲苯溶剂残留、无机盐残留等问题，得到的β型氢溴酸沃替西汀符合药用所需要的化学纯度和晶型纯度，适合产业化生产。

USPTO Abstract

本发明提供了一种氢溴酸沃替西汀的精制转晶方法，属于化学药物合成技术领域。本发明采用新的重结晶溶剂体系，安全高效地得到β型氢溴酸沃替西汀。本发明方法解决了既往技术中存在的甲苯溶剂残留、无机盐残留等问题，得到的β型氢溴酸沃替西汀符合药用所需要的化学纯度和晶型纯度，适合产业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN106279065A
Jurisdiction
CN
Classification
—
Expires
2017-01-04
Drug substance claim
No
Drug product claim
No
Assignee
Beijing Shenlanhai Bio-Pharm Tech 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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