CN Patent

CN116768972A — 一种卡非佐米中间体的制备方法

Assigned to Jisimei Wuhan Pharmaceutical Co ltd · Expires 2023-09-19 · 3y expired

What this patent protects

本发明公开了一种卡非佐米中间体式3化合物的制备方法,该方法包含将式1化合物在选自2‑氯‑4,6‑二甲氧基‑1,3,5‑三嗪(CDMT)、4‑(4,6‑二甲氧基‑1,3,5‑三嗪‑2‑基)‑4‑甲基吗啉盐酸盐(DMTMM)等缩合剂的存在下,在含有有机碱的体系中与式2化合物反应制得式3化合物。该方法反应时间短,原料转化率高,后处理简单,三废少,总收率高,EHS风险低,适合工业化生产。

USPTO Abstract

本发明公开了一种卡非佐米中间体式3化合物的制备方法,该方法包含将式1化合物在选自2‑氯‑4,6‑二甲氧基‑1,3,5‑三嗪(CDMT)、4‑(4,6‑二甲氧基‑1,3,5‑三嗪‑2‑基)‑4‑甲基吗啉盐酸盐(DMTMM)等缩合剂的存在下,在含有有机碱的体系中与式2化合物反应制得式3化合物。该方法反应时间短,原料转化率高,后处理简单,三废少,总收率高,EHS风险低,适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN116768972A
Jurisdiction
CN
Classification
Expires
2023-09-19
Drug substance claim
No
Drug product claim
No
Assignee
Jisimei Wuhan 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.

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