CN Patent

CN115197115B — 一种手性5-氧代吡咯烷-3-甲酸的制备方法与应用

Assigned to Chengdu Jinbo Huikang Pharmaceutical Technology Co ltd · Expires 2024-11-08 · 2y expired

What this patent protects

本发明属于药物化学与有机手性化合物制备技术领域,特别涉及一种手性5‑氧代吡咯烷‑3‑甲酸的制备方法与应用,本发明方法以衣康酸二甲酯(CAS:617‑52‑7)和R(+)‑对甲氧基甲基苯甲胺(CAS:22038‑86‑4)为起始原料反应制得一对非对映异构体,继而通过普通硅胶柱层析分离开并得到这两个非对映异构体;再分别以这两个非对映异构体继续进行化学反应,经过酯水解和脱去氮上保护基,或者先脱去氮上保护基再水解酯即可得到两个构型的目标手性化合物(R)‑A和(S)‑A。

USPTO Abstract

本发明属于药物化学与有机手性化合物制备技术领域,特别涉及一种手性5‑氧代吡咯烷‑3‑甲酸的制备方法与应用,本发明方法以衣康酸二甲酯(CAS:617‑52‑7)和R(+)‑对甲氧基甲基苯甲胺(CAS:22038‑86‑4)为起始原料反应制得一对非对映异构体,继而通过普通硅胶柱层析分离开并得到这两个非对映异构体;再分别以这两个非对映异构体继续进行化学反应,经过酯水解和脱去氮上保护基,或者先脱去氮上保护基再水解酯即可得到两个构型的目标手性化合物(R)‑A和(S)‑A。

Drugs covered by this patent

Patent Metadata

Patent number
CN115197115B
Jurisdiction
CN
Classification
Expires
2024-11-08
Drug substance claim
No
Drug product claim
No
Assignee
Chengdu Jinbo Huikang Pharmaceutical Technology 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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