CN Patent

CN105315256A — 一种适合工业化的高纯度琥珀酸曲格列汀的制备方法

Assigned to LANGSHENG PHARMACEUTICAL CO Ltd GUANGZHOU CITY · Expires 2016-02-10 · 10y expired

What this patent protects

本发明涉及一种高纯度新的琥珀酸曲格列汀的制备方法。本发明根据现有技术的反应产生较多中间体杂质，后处理繁琐，成本高等不足，公开了一种不同于已报道琥珀酸曲格列汀的制备方法，目的是提供一种条件温和，环境友好，转化率高，成品质量高的琥珀酸曲格列汀的合成方法。

USPTO Abstract

本发明涉及一种高纯度新的琥珀酸曲格列汀的制备方法。本发明根据现有技术的反应产生较多中间体杂质，后处理繁琐，成本高等不足，公开了一种不同于已报道琥珀酸曲格列汀的制备方法，目的是提供一种条件温和，环境友好，转化率高，成品质量高的琥珀酸曲格列汀的合成方法。

Drugs covered by this patent

Patent Metadata

Patent number: CN105315256A
Jurisdiction: CN
Classification: —
Expires: 2016-02-10
Drug substance claim: No
Drug product claim: No
Assignee: LANGSHENG PHARMACEUTICAL CO Ltd GUANGZHOU CITY
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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