CN Patent

CN104151254A — 一种制备1，3-双环己基巴比妥酸的方法

Assigned to HUAFENG CHEMICAL CO Ltd NANTONG CITY · Expires 2014-11-19 · 11y expired

What this patent protects

本发明公开了一种1，3-双环己基巴比妥酸的制备方法，由N，N’-二环己基脲和丙二酸在冰乙酸和乙酸酐的存在下反应生成1，3-双环己基巴比妥酸，再通过结晶，过滤，干燥得到精品1，3-双环己基巴比妥酸。本发明工艺结构合理，易操作，产品得率高，纯度精，同时降低了生产成本，提高了生产效益。

USPTO Abstract

本发明公开了一种1，3-双环己基巴比妥酸的制备方法，由N，N’-二环己基脲和丙二酸在冰乙酸和乙酸酐的存在下反应生成1，3-双环己基巴比妥酸，再通过结晶，过滤，干燥得到精品1，3-双环己基巴比妥酸。本发明工艺结构合理，易操作，产品得率高，纯度精，同时降低了生产成本，提高了生产效益。

Drugs covered by this patent

Patent Metadata

Patent number
CN104151254A
Jurisdiction
CN
Classification
—
Expires
2014-11-19
Drug substance claim
No
Drug product claim
No
Assignee
HUAFENG CHEMICAL CO Ltd NANTONG CITY
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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