CN Patent

CN105461703B — 一种brexpiprazole的制备方法

Assigned to Shenzhen Foncoo Pharmaceutical Co Ltd · Expires 2019-05-17 · 7y expired

What this patent protects

本发明公开了一种式(1)所示的化合物brexpiprazole的制备方法，尤其是以4‑胺基苯并[b]噻吩为起始原料合成哌嗪环，避开重金属钯催化反应，减少合成步骤和杂质，降低成本的制备方法。

USPTO Abstract

本发明公开了一种式(1)所示的化合物brexpiprazole的制备方法，尤其是以4‑胺基苯并[b]噻吩为起始原料合成哌嗪环，避开重金属钯催化反应，减少合成步骤和杂质，降低成本的制备方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN105461703B
Jurisdiction
CN
Classification
—
Expires
2019-05-17
Drug substance claim
No
Drug product claim
No
Assignee
Shenzhen Foncoo 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.