CN Patent

CN109912530A — 一种可比司他原料杂质的制备方法

Assigned to Zhejiang Huahai Pharmaceutical Co Ltd · Expires 2019-06-21 · 7y expired

What this patent protects

本发明涉及可比司他原料杂质2‑羟基异丙基‑4‑(甲基氨基甲基)噻唑的制备方法。该方法包括胺化，上保护，酮解，脱保护操作步骤。本发明提供的杂质合成反应条件温和，工艺简单，反应时间短，副产物少，收率良好，产物纯度高。

USPTO Abstract

本发明涉及可比司他原料杂质2‑羟基异丙基‑4‑(甲基氨基甲基)噻唑的制备方法。该方法包括胺化，上保护，酮解，脱保护操作步骤。本发明提供的杂质合成反应条件温和，工艺简单，反应时间短，副产物少，收率良好，产物纯度高。

Drugs covered by this patent

Patent Metadata

Patent number
CN109912530A
Jurisdiction
CN
Classification
—
Expires
2019-06-21
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Huahai 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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