CN Patent

CN108774183A — 一种乙二醇类化合物的制备方法

Assigned to Chengdu Easton Biopharmaceuticals Co Ltd · Expires 2018-11-09 · 8y expired

What this patent protects

本发明提供了一种乙二醇类化合物及其制备方法，制备方法路线短，产率高，操作简单。化合物Ⅷ和Ⅸ作为制备本发明乙二醇类化合物的中间体，由化合物Ⅷ和Ⅸ为中间体制备得到的乙二醇类化合物，产率高，纯度高，适于工业化生产。

USPTO Abstract

本发明提供了一种乙二醇类化合物及其制备方法，制备方法路线短，产率高，操作简单。化合物Ⅷ和Ⅸ作为制备本发明乙二醇类化合物的中间体，由化合物Ⅷ和Ⅸ为中间体制备得到的乙二醇类化合物，产率高，纯度高，适于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN108774183A
Jurisdiction
CN
Classification
—
Expires
2018-11-09
Drug substance claim
No
Drug product claim
No
Assignee
Chengdu Easton Biopharmaceuticals 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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