CN Patent

CN116375648A — 贝罗司他中间体的制备方法

Assigned to Suzhou Nongping Technology Development Co ltd · Expires 2023-07-04 · 3y expired

What this patent protects

本发明揭示了一种贝罗司他(Berotralsta)中间体1‑[3‑[[[(1,1‑二甲基乙氧基)羰基]氨基]甲基]苯基]‑3‑(三氟甲基)‑1H‑吡唑‑5‑甲酸的制备方法，以3‑氨基苯甲醛为起始原料，依次通过环合、氨化还原和氧化等单元反应而制得。该制备过程原料易得、快捷方便、经济环保，适于规模化生产，为贝罗司他的工业化提供了一条新的制备途径。

USPTO Abstract

本发明揭示了一种贝罗司他(Berotralsta)中间体1‑[3‑[[[(1,1‑二甲基乙氧基)羰基]氨基]甲基]苯基]‑3‑(三氟甲基)‑1H‑吡唑‑5‑甲酸的制备方法，以3‑氨基苯甲醛为起始原料，依次通过环合、氨化还原和氧化等单元反应而制得。该制备过程原料易得、快捷方便、经济环保，适于规模化生产，为贝罗司他的工业化提供了一条新的制备途径。

Drugs covered by this patent

Patent Metadata

Patent number: CN116375648A
Jurisdiction: CN
Classification: —
Expires: 2023-07-04
Drug substance claim: No
Drug product claim: No
Assignee: Suzhou Nongping Technology Development 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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