CN Patent

CN116496239A — 一种维奈托克关键中间体及原料药的合成方法

Assigned to NANJING HABO MEDICAL TECHNOLOGY CO LTD · Expires 2023-07-28 · 3y expired

What this patent protects

本发明公开了一种维奈托克(Venetoclax)关键中间体及原料药的合成方法,以3‑硝基‑4‑(四氢‑2H‑吡喃‑4)‑甲氨基苯磺酰胺(中间体1)、2‑(7‑氮杂吲哚‑5‑氧基)‑4‑溴苯甲酸甲酯(中间体2)、1‑((2‑(4‑氯苯基)‑4,4‑二甲基环己烯‑1‑)甲基)哌嗪(中间体3)为关键中间体,采用全合成的方法制备维奈托克,本工艺可以很好地控制原料药产品的最终纯度及杂质含量,工艺简单且能避开剧毒原料的合成工艺路线,原料价廉易得,生产工艺绿色环保,适合工业化生产。

USPTO Abstract

本发明公开了一种维奈托克(Venetoclax)关键中间体及原料药的合成方法,以3‑硝基‑4‑(四氢‑2H‑吡喃‑4)‑甲氨基苯磺酰胺(中间体1)、2‑(7‑氮杂吲哚‑5‑氧基)‑4‑溴苯甲酸甲酯(中间体2)、1‑((2‑(4‑氯苯基)‑4,4‑二甲基环己烯‑1‑)甲基)哌嗪(中间体3)为关键中间体,采用全合成的方法制备维奈托克,本工艺可以很好地控制原料药产品的最终纯度及杂质含量,工艺简单且能避开剧毒原料的合成工艺路线,原料价廉易得,生产工艺绿色环保,适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN116496239A
Jurisdiction
CN
Classification
Expires
2023-07-28
Drug substance claim
No
Drug product claim
No
Assignee
NANJING HABO MEDICAL 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.