CN Patent

CN104557896A — 布瑞哌唑、其关键中间体及其盐的制备方法

Assigned to Individual · Expires 2015-04-29 · 11y expired

What this patent protects

本发明涉及布瑞哌唑及其类似物、关键中间体及其盐的制备方法，具体地，本发明涉及布瑞哌唑及其类似物、关键中间体及其盐的新的制备方法以及该制备方法中的重要中间体及其盐。所述制备方法的反应条件温和、中间体稳定、操作简便、试剂大众化，从而节省了合成成本，生产周期短，收率和产品质量都有提高，适于大规模生产。

USPTO Abstract

本发明涉及布瑞哌唑及其类似物、关键中间体及其盐的制备方法，具体地，本发明涉及布瑞哌唑及其类似物、关键中间体及其盐的新的制备方法以及该制备方法中的重要中间体及其盐。所述制备方法的反应条件温和、中间体稳定、操作简便、试剂大众化，从而节省了合成成本，生产周期短，收率和产品质量都有提高，适于大规模生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104557896A
Jurisdiction
CN
Classification
—
Expires
2015-04-29
Drug substance claim
No
Drug product claim
No
Assignee
Individual
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.