CN Patent

CN118852168B — 一种制备苄基碳核苷类似物的新方法及其应用

Assigned to Shenzhen Kexing Pharmaceutical Co ltd · Expires 2025-09-19 · 1y expired

What this patent protects

本发明提供一种制备苄基碳核苷类似物的新方法，在反应体系中添加三氟甲磺酸和三氟化硼乙醚和三甲基氰硅烷，得到式Ⅱ产物杂质含量低、重现性好，且产物产率高，用时短，适合公斤级制备；另外本发明还提供式Ⅱ化合物作为中间体制备核苷类似物。 式Ⅱ。

USPTO Abstract

本发明提供一种制备苄基碳核苷类似物的新方法，在反应体系中添加三氟甲磺酸和三氟化硼乙醚和三甲基氰硅烷，得到式Ⅱ产物杂质含量低、重现性好，且产物产率高，用时短，适合公斤级制备；另外本发明还提供式Ⅱ化合物作为中间体制备核苷类似物。 式Ⅱ。

Drugs covered by this patent

Patent Metadata

Patent number
CN118852168B
Jurisdiction
CN
Classification
—
Expires
2025-09-19
Drug substance claim
No
Drug product claim
No
Assignee
Shenzhen Kexing 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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