CN Patent

CN104418803A — 一种托伐普坦的制备方法

Assigned to SHANGHAI TIANCI BIOLOGICAL VALLEY BIOLOGICAL ENGINEERING Co Ltd · Expires 2015-03-18 · 11y expired

What this patent protects

本发明公开了一种托伐普坦的制备方法，包括7-氯-5-羟基-2，3，4，5-四氢-1H-1-苯并氮杂 与2-甲基-4-(2-甲基苯酰胺基)苯甲酰氯进行酰胺化反应得到托伐普坦的步骤。本发明的方法设计新颖，提高了工作时效，而且减少废液排放，具有操作简单，原料易得，后处理简便以及收率高等优点，适合工业化生产。

USPTO Abstract

本发明公开了一种托伐普坦的制备方法，包括7-氯-5-羟基-2，3，4，5-四氢-1H-1-苯并氮杂 与2-甲基-4-(2-甲基苯酰胺基)苯甲酰氯进行酰胺化反应得到托伐普坦的步骤。本发明的方法设计新颖，提高了工作时效，而且减少废液排放，具有操作简单，原料易得，后处理简便以及收率高等优点，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104418803A
Jurisdiction
CN
Classification
—
Expires
2015-03-18
Drug substance claim
No
Drug product claim
No
Assignee
SHANGHAI TIANCI BIOLOGICAL VALLEY BIOLOGICAL ENGINEERING 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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