CN Patent

CN107778339A — 一种无定型奥贝胆酸的制备方法

Assigned to Lunan Pharmaceutical Group Corp · Expires 2018-03-09 · 8y expired

What this patent protects

本发明属于合成领域，改进了无定型奥贝胆酸的制备方法，无需单独转晶步骤，通过处理方式的改变，所得无定型奥贝胆酸收率高达90％，纯度高达99％，异构体含量低于0.2％。本发明技术方案在低温常压下反应，反应条件温和易控，操作简便，反应溶剂可以循环使用，降低了能耗，降低了生产成本，安全环保，非常适合工业化生产。

USPTO Abstract

本发明属于合成领域，改进了无定型奥贝胆酸的制备方法，无需单独转晶步骤，通过处理方式的改变，所得无定型奥贝胆酸收率高达90％，纯度高达99％，异构体含量低于0.2％。本发明技术方案在低温常压下反应，反应条件温和易控，操作简便，反应溶剂可以循环使用，降低了能耗，降低了生产成本，安全环保，非常适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN107778339A
Jurisdiction
CN
Classification
—
Expires
2018-03-09
Drug substance claim
No
Drug product claim
No
Assignee
Lunan Pharmaceutical Group Corp
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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