CN Patent

CN104926669A — 反式-4-二甲基胺基巴豆酸盐酸盐的制备方法

Assigned to Jiangsu Hansoh Pharmaceutical Group Co Ltd · Expires 2015-09-23 · 11y expired

What this patent protects

本发明涉及反式-4-二甲基胺基巴豆酸盐酸盐的制备方法，其是一种重要医药中间体式（I）的制备过程，4-溴代巴豆酸甲酯和二甲胺类化合物经过取代、成盐、水解、成盐制得式（I）化合物反式-4-二甲基胺基巴豆酸盐酸盐。该制备方法工艺简洁、收率高，适合工业化放大的要求。

USPTO Abstract

本发明涉及反式-4-二甲基胺基巴豆酸盐酸盐的制备方法，其是一种重要医药中间体式（I）的制备过程，4-溴代巴豆酸甲酯和二甲胺类化合物经过取代、成盐、水解、成盐制得式（I）化合物反式-4-二甲基胺基巴豆酸盐酸盐。该制备方法工艺简洁、收率高，适合工业化放大的要求。

Drugs covered by this patent

Patent Metadata

Patent number
CN104926669A
Jurisdiction
CN
Classification
—
Expires
2015-09-23
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Hansoh Pharmaceutical Group 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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