CN Patent

CN114105875B — 一种吗啡衍生物二氢埃托啡的合成方法

Assigned to Sichuan University · Expires 2023-11-03 · 3y expired

What this patent protects

本发明属于化学药物合成领域,具体涉及一种吗啡衍生物二氢埃托啡(dihydroetorphine)的合成新方法。本发明基于吗啡衍生物可能的生源途径,通过仿生合成的策略,以分子内氧化去芳香化Heck反应为关键反应,合成了蒂巴因类似物中间体,从该中间体出发,经过Diels‑Alder反应,催化氢化,与丙基格氏试剂加成,脱除二级胺保护基,引入氮甲基,脱除氧甲基等步骤,实现了吗啡衍生物二氢埃托啡的高效合成。与现有路线相比,本发明的合成路线步骤少、总收率高,显著节约了生产成本。

USPTO Abstract

本发明属于化学药物合成领域,具体涉及一种吗啡衍生物二氢埃托啡(dihydroetorphine)的合成新方法。本发明基于吗啡衍生物可能的生源途径,通过仿生合成的策略,以分子内氧化去芳香化Heck反应为关键反应,合成了蒂巴因类似物中间体,从该中间体出发,经过Diels‑Alder反应,催化氢化,与丙基格氏试剂加成,脱除二级胺保护基,引入氮甲基,脱除氧甲基等步骤,实现了吗啡衍生物二氢埃托啡的高效合成。与现有路线相比,本发明的合成路线步骤少、总收率高,显著节约了生产成本。

Drugs covered by this patent

Patent Metadata

Patent number
CN114105875B
Jurisdiction
CN
Classification
Expires
2023-11-03
Drug substance claim
No
Drug product claim
No
Assignee
Sichuan University
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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