CN Patent

CN106432197B — 一种雷迪帕韦中间体单对甲苯磺酸盐、其晶型及其制备方法

Assigned to SHANGHAI FOREFRONT PHARMA · Expires 2019-12-10 · 6y expired

What this patent protects

本发明公开了一种雷迪帕韦中间体单对甲苯磺酸盐、其晶型及其制备方法。本发明所提供的制备方法制得的晶型A具有良好的化学纯度和产品质量，制备方法简单、快速，便于大规模化生产。同时，晶型A具有非常高的纯度，特别适合用作生产雷迪帕韦的中间体，从而提高终产物雷迪帕韦的质量，并减少杂质。

USPTO Abstract

本发明公开了一种雷迪帕韦中间体单对甲苯磺酸盐、其晶型及其制备方法。本发明所提供的制备方法制得的晶型A具有良好的化学纯度和产品质量，制备方法简单、快速，便于大规模化生产。同时，晶型A具有非常高的纯度，特别适合用作生产雷迪帕韦的中间体，从而提高终产物雷迪帕韦的质量，并减少杂质。

Drugs covered by this patent

Patent Metadata

Patent number: CN106432197B
Jurisdiction: CN
Classification: —
Expires: 2019-12-10
Drug substance claim: No
Drug product claim: No
Assignee: SHANGHAI FOREFRONT PHARMA
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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