CN Patent

CN104447610A — 高纯度头孢他啶侧链酸的制备方法

Assigned to Shandong Jincheng Pharmaceutical & Chemical Co Ltd · Expires 2015-03-25 · 11y expired

What this patent protects

本发明涉及一种高纯度头孢他啶侧链酸的制备方法，属于医药合成领域。所述的制备方法是向反应釜中加入头孢他啶侧链酸粗品，再加入水和有机溶剂，升温、搅拌、溶解，然后降温抽滤，得到湿品采用醇类溶剂进行淋洗除水，减压干燥得到类白色结晶性粉末。本发明生产的头孢他啶侧链酸为类白色结晶性粉末，纯度高质量好，操作简便、易于控制，成本低，可实现现代化生产。

USPTO Abstract

本发明涉及一种高纯度头孢他啶侧链酸的制备方法，属于医药合成领域。所述的制备方法是向反应釜中加入头孢他啶侧链酸粗品，再加入水和有机溶剂，升温、搅拌、溶解，然后降温抽滤，得到湿品采用醇类溶剂进行淋洗除水，减压干燥得到类白色结晶性粉末。本发明生产的头孢他啶侧链酸为类白色结晶性粉末，纯度高质量好，操作简便、易于控制，成本低，可实现现代化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104447610A
Jurisdiction
CN
Classification
—
Expires
2015-03-25
Drug substance claim
No
Drug product claim
No
Assignee
Shandong Jincheng Pharmaceutical & Chemical 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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