CN Patent

CN105294713A — Velpatasvir中间体及其制备方法

Assigned to CONSCIENECE PHARMACEUTICALS Ltd · Expires 2016-02-03 · 10y expired

What this patent protects

本发明涉及一种抗丙肝化合物Velpatasvir(GS-5816)中间体式1所示化合物的制备方法,以式3化合物和式9化合物在碱性条件下通过亲核取代制备得到式2化合物,式2化合物在金属催化剂存在下通过偶联反应制备得到式1化合物,以及式3化合物和式9所示化合物的制备方法。

USPTO Abstract

本发明涉及一种抗丙肝化合物Velpatasvir(GS-5816)中间体式1所示化合物的制备方法,以式3化合物和式9化合物在碱性条件下通过亲核取代制备得到式2化合物,式2化合物在金属催化剂存在下通过偶联反应制备得到式1化合物,以及式3化合物和式9所示化合物的制备方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN105294713A
Jurisdiction
CN
Classification
Expires
2016-02-03
Drug substance claim
No
Drug product claim
No
Assignee
CONSCIENECE PHARMACEUTICALS 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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