CN Patent

CN104030981A — Ivacaftor的制备方法及其中间体

Assigned to Shanghai Institute of Materia Medica of CAS · Expires 2014-09-10 · 12y expired

What this patent protects

本发明涉及Ivacaftor的制备方法及其中间体，通过式III化合物在碱性条件下缩合或通过式VI化合物在还原条件下进行还原环合反应形成喹啉环，避免了喹啉环形成的高温条件，该路线具有收率高、成本低、反应条件温和的特点。

USPTO Abstract

本发明涉及Ivacaftor的制备方法及其中间体，通过式III化合物在碱性条件下缩合或通过式VI化合物在还原条件下进行还原环合反应形成喹啉环，避免了喹啉环形成的高温条件，该路线具有收率高、成本低、反应条件温和的特点。

Drugs covered by this patent

Patent Metadata

Patent number
CN104030981A
Jurisdiction
CN
Classification
—
Expires
2014-09-10
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Institute of Materia Medica of CAS
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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