CN Patent

CN115504914B — 一种贝派地酸中间体的制备方法

Assigned to Yuanda Pharmaceutical Technology (Wuhan) Co.,Ltd. · Expires 2024-05-07 · 2y expired

What this patent protects

本发明公开了一种贝派地酸中间体的制备方法，其中涉及贝派地酸中间体：8‑异氰基‑2,2,14,14‑四甲基‑8‑甲苯磺酰基十五烷二酸二酯、2,2,14,14‑四甲基‑8‑氧代十五烷二酸二酯的制备方法，其无需使用氢化钠，有效保障制备过程安全；无需添加四丁基碘化铵(TBAI)等相转移催化剂，有效降低了制备成本；各中间体的收率高，纯度高，无需繁琐复杂、成本较高的后处理过程，例如柱层析，利于工业化生产。

USPTO Abstract

本发明公开了一种贝派地酸中间体的制备方法，其中涉及贝派地酸中间体：8‑异氰基‑2,2,14,14‑四甲基‑8‑甲苯磺酰基十五烷二酸二酯、2,2,14,14‑四甲基‑8‑氧代十五烷二酸二酯的制备方法，其无需使用氢化钠，有效保障制备过程安全；无需添加四丁基碘化铵(TBAI)等相转移催化剂，有效降低了制备成本；各中间体的收率高，纯度高，无需繁琐复杂、成本较高的后处理过程，例如柱层析，利于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN115504914B
Jurisdiction
CN
Classification
—
Expires
2024-05-07
Drug substance claim
No
Drug product claim
No
Assignee
Yuanda Pharmaceutical Technology (Wuhan) 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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