CN Patent

CN106146588A — 一种索非布韦的制备方法

Assigned to CHANGZHOU PHARMACEUTICAL FACTORY Co Ltd · Expires 2016-11-23 · 9y expired

What this patent protects

本发明涉及一种抗丙肝药物索非布韦的制备方法,包括以3,5-二-O-苯甲酰基-2-脱氧-2-氟-2-C-甲基-D-核糖-γ-内酯为起始物料,经过还原得到呋喃核糖中间体,然后与苯甲酰胞嘧啶在催化剂的作用下缩合得到胞嘧啶中间体,其在酸性条件下水解得到索非布韦合成的关键中间体核苷类似物,该核苷类中间体与磷酸酯试剂连接,得到终产品索非布韦。该合成方法操作简单,成本低,适用于工业化生产。本发明还公开用于制备含磷活性物的有用中间体的合成工艺。

USPTO Abstract

本发明涉及一种抗丙肝药物索非布韦的制备方法,包括以3,5-二-O-苯甲酰基-2-脱氧-2-氟-2-C-甲基-D-核糖-γ-内酯为起始物料,经过还原得到呋喃核糖中间体,然后与苯甲酰胞嘧啶在催化剂的作用下缩合得到胞嘧啶中间体,其在酸性条件下水解得到索非布韦合成的关键中间体核苷类似物,该核苷类中间体与磷酸酯试剂连接,得到终产品索非布韦。该合成方法操作简单,成本低,适用于工业化生产。本发明还公开用于制备含磷活性物的有用中间体的合成工艺。

Drugs covered by this patent

Patent Metadata

Patent number
CN106146588A
Jurisdiction
CN
Classification
Expires
2016-11-23
Drug substance claim
No
Drug product claim
No
Assignee
CHANGZHOU PHARMACEUTICAL FACTORY 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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