CN Patent

CN115010703A — 一种立他司特吗啉盐及其制备方法和应用

Assigned to Hebei Zhiheng Pharmaceutical Technology Co ltd · Expires 2022-09-06 · 4y expired

What this patent protects

本发明涉及药物合成技术领域，具体涉及一种立他司特吗啉盐及其制备方法和应用。本发明所提供的立他司特吗啉盐在微量酸性水中即可解离脱除吗啉，获得高纯度立他司特，且收率高，操作简单，能够大大降低立他司特纯化工艺中废溶剂和废水的产生。本发明提供的该立他司特吗啉盐的制备方法易于实施，制得的立他司特吗啉盐收率高、纯度高。在立他司特纯化工艺中，先将立他司特粗品制成该立他司特吗啉盐，再进行简单的酸水解离即可，能够大大简化立他司特纯化工艺，减少废溶剂和废水的产生，反应连贯性强，过程安全可控。

USPTO Abstract

本发明涉及药物合成技术领域，具体涉及一种立他司特吗啉盐及其制备方法和应用。本发明所提供的立他司特吗啉盐在微量酸性水中即可解离脱除吗啉，获得高纯度立他司特，且收率高，操作简单，能够大大降低立他司特纯化工艺中废溶剂和废水的产生。本发明提供的该立他司特吗啉盐的制备方法易于实施，制得的立他司特吗啉盐收率高、纯度高。在立他司特纯化工艺中，先将立他司特粗品制成该立他司特吗啉盐，再进行简单的酸水解离即可，能够大大简化立他司特纯化工艺，减少废溶剂和废水的产生，反应连贯性强，过程安全可控。

Drugs covered by this patent

Patent Metadata

Patent number
CN115010703A
Jurisdiction
CN
Classification
—
Expires
2022-09-06
Drug substance claim
No
Drug product claim
No
Assignee
Hebei Zhiheng Pharmaceutical Technology 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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