CN Patent

CN109503517A — 一种沃替西汀α晶型的制备方法

Assigned to Wanquan Pharmaceutical (xiamen) Co Ltd Wante · Expires 2019-03-22 · 7y expired

What this patent protects

本发明属于药物化学领域，旨在提供一种沃替西汀氢溴酸盐的制备方法，将样品置于先以乙酸乙酯为溶剂成氢溴酸盐，得到的氢溴酸盐在有机溶剂中加热回流，冷却析晶，得到沃替西汀α晶型。本发明丰富了其晶型的研究，能够使医药研发工作者在沃替西汀晶型研究过程具有全面的了解和掌控。

USPTO Abstract

本发明属于药物化学领域，旨在提供一种沃替西汀氢溴酸盐的制备方法，将样品置于先以乙酸乙酯为溶剂成氢溴酸盐，得到的氢溴酸盐在有机溶剂中加热回流，冷却析晶，得到沃替西汀α晶型。本发明丰富了其晶型的研究，能够使医药研发工作者在沃替西汀晶型研究过程具有全面的了解和掌控。

Drugs covered by this patent

Patent Metadata

Patent number
CN109503517A
Jurisdiction
CN
Classification
—
Expires
2019-03-22
Drug substance claim
No
Drug product claim
No
Assignee
Wanquan Pharmaceutical (xiamen) Co Ltd Wante
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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