CN Patent

CN107216314A — 一种盐酸替匹嘧啶的晶型及其制备方法

Assigned to Sinopharm Yixin Pharmaceutical Co Ltd · Expires 2017-09-29 · 9y expired

What this patent protects

本发明涉及晶型药物领域，尤其涉及一种盐酸替匹嘧啶的晶型及其制备方法。本发明提供的盐酸替匹嘧啶的晶型，X‑射线粉末衍射图在2θ±0.2°位置有衍射峰，所述2θ为13.0°、18.1°、24.8°、26.1°、29.4。盐酸替匹嘧啶的这一晶型与现有报道中的晶型皆不一致，该晶型溶解度、稳定性和生物利用度与现有晶型相比皆存在一定的优势。且该本发明提供的该晶型的制备方法简单，适宜条件下收率和纯度皆较高。

USPTO Abstract

本发明涉及晶型药物领域，尤其涉及一种盐酸替匹嘧啶的晶型及其制备方法。本发明提供的盐酸替匹嘧啶的晶型，X‑射线粉末衍射图在2θ±0.2°位置有衍射峰，所述2θ为13.0°、18.1°、24.8°、26.1°、29.4。盐酸替匹嘧啶的这一晶型与现有报道中的晶型皆不一致，该晶型溶解度、稳定性和生物利用度与现有晶型相比皆存在一定的优势。且该本发明提供的该晶型的制备方法简单，适宜条件下收率和纯度皆较高。

Drugs covered by this patent

Patent Metadata

Patent number: CN107216314A
Jurisdiction: CN
Classification: —
Expires: 2017-09-29
Drug substance claim: No
Drug product claim: No
Assignee: Sinopharm Yixin Pharmaceutical 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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