CN Patent

CN106748748B — 一种布瓦西坦的制备方法及其中间体

Assigned to Chengdu State Bio Medicine Co ltd · Expires 2021-08-24 · 5y expired

What this patent protects

本发明涉及一种布瓦西坦的制备方法及其中间体，具体是以高光学纯度的(R）‑4‑正丙基‑二氢呋喃‑2‑酮为原料制备布瓦西坦。本发明合成方法与现有技术相比，对生产设备要求较低，且能制备出更高化学纯度，更高光学纯度，更高收率的布瓦西坦粗品，能极大地降低大规模工业化生产布瓦西坦的成本。

USPTO Abstract

本发明涉及一种布瓦西坦的制备方法及其中间体，具体是以高光学纯度的(R）‑4‑正丙基‑二氢呋喃‑2‑酮为原料制备布瓦西坦。本发明合成方法与现有技术相比，对生产设备要求较低，且能制备出更高化学纯度，更高光学纯度，更高收率的布瓦西坦粗品，能极大地降低大规模工业化生产布瓦西坦的成本。

Drugs covered by this patent

Patent Metadata

Patent number
CN106748748B
Jurisdiction
CN
Classification
—
Expires
2021-08-24
Drug substance claim
No
Drug product claim
No
Assignee
Chengdu State Bio Medicine 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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