CN Patent

CN106188015B — 一种制备达卡他韦的方法

Assigned to Guangdong HEC Pharmaceutical Co Ltd · Expires 2019-10-18 · 7y expired

What this patent protects

本发明提供一种制备达卡他韦的方法,所述方法采用N‑(甲氧羰基)‑L‑缬氨酸和5,5’‑(4,4’‑联苯二基)双(2‑((2S)‑2‑吡咯烷基)‑1氢‑咪唑)四盐酸盐作为反应物料,在活化剂1‑(3‑二甲氨基丙基)‑3‑乙基碳化二亚胺盐酸盐和碱性试剂参与下,以2‑肟氰乙酸乙酯作为反应催化剂,在醇类溶剂中进行。本发明提供的制备达卡他韦的方法操作简便,经济廉价,环保安全,回收率高,适合于工业化大生产。

USPTO Abstract

本发明提供一种制备达卡他韦的方法,所述方法采用N‑(甲氧羰基)‑L‑缬氨酸和5,5’‑(4,4’‑联苯二基)双(2‑((2S)‑2‑吡咯烷基)‑1氢‑咪唑)四盐酸盐作为反应物料,在活化剂1‑(3‑二甲氨基丙基)‑3‑乙基碳化二亚胺盐酸盐和碱性试剂参与下,以2‑肟氰乙酸乙酯作为反应催化剂,在醇类溶剂中进行。本发明提供的制备达卡他韦的方法操作简便,经济廉价,环保安全,回收率高,适合于工业化大生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN106188015B
Jurisdiction
CN
Classification
Expires
2019-10-18
Drug substance claim
No
Drug product claim
No
Assignee
Guangdong HEC Pharmaceutical 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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