CN Patent

CN104130258B — 一种二聚体的转化方法

Assigned to Guangdong HEC Pharmaceutical Co Ltd · Expires 2016-06-01 · 10y expired

What this patent protects

本发明涉及一种利格列汀的二聚体转化为利格列汀的方法，通过将二聚体在pH不低于8的碱性条件下，在碱作用下，可转化为产物利格列汀，除去了杂质，提高了收率，工艺简单，降低了生产成本，有利于工业化生产。

USPTO Abstract

本发明涉及一种利格列汀的二聚体转化为利格列汀的方法，通过将二聚体在pH不低于8的碱性条件下，在碱作用下，可转化为产物利格列汀，除去了杂质，提高了收率，工艺简单，降低了生产成本，有利于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104130258B
Jurisdiction
CN
Classification
—
Expires
2016-06-01
Drug substance claim
No
Drug product claim
No
Assignee
Guangdong HEC 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.