CN Patent

CN114213275B — 用于合成帕罗韦德的中间产物及制备方法

Assigned to Wuyan Medical Technology Shanghai Co ltd · Expires 2023-08-04 · 3y expired

What this patent protects

本发明涉及抗病毒药物的制备，具体涉及用于合成帕罗韦德的中间产物及制备方法，两种用于合成帕罗韦德(PF‑07321332)的中间产物，结构分别为 制备两种中间产物的合成方法均是将羧酸在二氯亚砜的作用下变为酰氯，得到制备过程中的关键中间产物，降低消旋风险，简化合成步骤及后处理步骤，提高产率。

USPTO Abstract

本发明涉及抗病毒药物的制备，具体涉及用于合成帕罗韦德的中间产物及制备方法，两种用于合成帕罗韦德(PF‑07321332)的中间产物，结构分别为 制备两种中间产物的合成方法均是将羧酸在二氯亚砜的作用下变为酰氯，得到制备过程中的关键中间产物，降低消旋风险，简化合成步骤及后处理步骤，提高产率。

Drugs covered by this patent

Patent Metadata

Patent number
CN114213275B
Jurisdiction
CN
Classification
—
Expires
2023-08-04
Drug substance claim
No
Drug product claim
No
Assignee
Wuyan Medical Technology Shanghai 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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