CN Patent

CN116969891A — 一种7-甲基-5-醛基-1h-吲唑的合成方法

Assigned to Hangzhou Guorui Biotechnology Co ltd · Expires 2023-10-31 · 3y expired

What this patent protects

本发明属于化学合成领域,具体涉及一种7‑甲基‑5‑醛基‑1H‑吲唑的合成方法。以2,6‑二甲基‑4‑溴苯胺为起始原料,经氰化、关环和催化加氢反应,得到7‑甲基‑5‑醛基‑1H‑吲唑。本发明避免使用价格昂贵的仲丁基锂试剂,制备成本低;避免了深冷反应,对设备需求要求低,适合产业化生产;本发明7‑甲基‑5‑醛基‑1H‑吲唑的收率高、纯度高、经济效益高,最终产物纯度可达到98.7%,收率92.3%。

USPTO Abstract

本发明属于化学合成领域,具体涉及一种7‑甲基‑5‑醛基‑1H‑吲唑的合成方法。以2,6‑二甲基‑4‑溴苯胺为起始原料,经氰化、关环和催化加氢反应,得到7‑甲基‑5‑醛基‑1H‑吲唑。本发明避免使用价格昂贵的仲丁基锂试剂,制备成本低;避免了深冷反应,对设备需求要求低,适合产业化生产;本发明7‑甲基‑5‑醛基‑1H‑吲唑的收率高、纯度高、经济效益高,最终产物纯度可达到98.7%,收率92.3%。

Drugs covered by this patent

Patent Metadata

Patent number
CN116969891A
Jurisdiction
CN
Classification
Expires
2023-10-31
Drug substance claim
No
Drug product claim
No
Assignee
Hangzhou Guorui Biotechnology 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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