CN Patent

CN109970590A — 一种7-氨基米诺环素的制备方法

Assigned to Shenzhen Sungening Biological Science And Technology Co Ltd · Expires 2019-07-05 · 7y expired

What this patent protects

本发明公开了一种7‑氨基米诺环素(式Ⅰ)的制备方法，是利用山环素为原料，在强酸条件下(三氟甲磺酸)，以四氢呋喃为溶剂，直接与偶氮二甲酸二苄酯反应，经后处理制得。其优点在于，原料廉价易得，合成步骤简短，反应条件温和，后处理简单；工艺稳定，重现性好，大大降低了生产成本，有利于批量化生产。

USPTO Abstract

本发明公开了一种7‑氨基米诺环素(式Ⅰ)的制备方法，是利用山环素为原料，在强酸条件下(三氟甲磺酸)，以四氢呋喃为溶剂，直接与偶氮二甲酸二苄酯反应，经后处理制得。其优点在于，原料廉价易得，合成步骤简短，反应条件温和，后处理简单；工艺稳定，重现性好，大大降低了生产成本，有利于批量化生产。

Drugs covered by this patent

sarecycline-hydrochloride (SARECYCLINE HYDROCHLORIDE)

Patent Metadata

Patent number: CN109970590A
Jurisdiction: CN
Classification: —
Expires: 2019-07-05
Drug substance claim: No
Drug product claim: No
Assignee: Shenzhen Sungening Biological Science And 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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