CN Patent

CN109516998B — 一种巴洛沙韦中间体的合成方法

Assigned to Shenzhen Hwagen Pharmaceutical Co ltd · Expires 2021-06-25 · 5y expired

What this patent protects

本发明公开了一种巴洛沙韦中间体的合成方法；属于有机化学合成领域。本发明方法以吡啶酮出发，经脱保护，缩合，手性还原得到巴洛沙韦的关键中间体。本发明的工艺路线简短，条件温和，不需要进行手性拆分即可获得较高的手性纯度，在易于产业化的同时，进一步降低巴洛沙韦的生产成本。

USPTO Abstract

本发明公开了一种巴洛沙韦中间体的合成方法；属于有机化学合成领域。本发明方法以吡啶酮出发，经脱保护，缩合，手性还原得到巴洛沙韦的关键中间体。本发明的工艺路线简短，条件温和，不需要进行手性拆分即可获得较高的手性纯度，在易于产业化的同时，进一步降低巴洛沙韦的生产成本。

Drugs covered by this patent

Patent Metadata

Patent number
CN109516998B
Jurisdiction
CN
Classification
—
Expires
2021-06-25
Drug substance claim
No
Drug product claim
No
Assignee
Shenzhen Hwagen 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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