The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 11, 2019

Filed:

Jan. 12, 2018
Applicant:

Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, CN;

Inventors:

Fajun Nan, Shanghai, CN;

Min Li, Shanghai, CN;

Zhaobing Gao, Shanghai, CN;

Yangming Zhang, Shanghai, CN;

Haining Hu, Shanghai, CN;

Haiyan Xu, Shanghai, CN;

Huanan Liu, Shanghai, CN;

Xiaoping Pi, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/24 (2006.01); A61K 31/167 (2006.01); A61K 31/17 (2006.01); A61K 31/27 (2006.01); A61K 31/277 (2006.01); A61K 31/341 (2006.01); C07C 269/04 (2006.01); C07C 269/06 (2006.01); C07C 271/28 (2006.01); C07C 273/18 (2006.01); C07C 275/64 (2006.01); C07C 231/02 (2006.01); C07C 333/08 (2006.01); C07C 233/62 (2006.01); C07C 235/16 (2006.01); C07C 235/74 (2006.01); C07C 237/04 (2006.01); C07C 237/22 (2006.01); C07C 237/48 (2006.01);
U.S. Cl.
CPC ...
C07D 307/24 (2013.01); A61K 31/167 (2013.01); A61K 31/17 (2013.01); A61K 31/27 (2013.01); A61K 31/277 (2013.01); A61K 31/341 (2013.01); C07C 231/02 (2013.01); C07C 233/62 (2013.01); C07C 235/16 (2013.01); C07C 235/74 (2013.01); C07C 237/04 (2013.01); C07C 237/22 (2013.01); C07C 237/48 (2013.01); C07C 269/04 (2013.01); C07C 269/06 (2013.01); C07C 271/28 (2013.01); C07C 273/18 (2013.01); C07C 275/64 (2013.01); C07C 333/08 (2013.01); C07C 2601/02 (2017.05); C07C 2601/14 (2017.05);
Abstract

The present invention provides a compound represented by general formula I or a pharmaceutical acceptable salt thereof, the preparation method therefor and the use thereof in preparing a medicine for treating a neurological disease, such as epilepsy, convulsion, neuropathic pain, acute ischemic stroke, and a neurodegenerative disease. The compound according to present invention has a better absorption in brain tissue when compared with RTG. In addition, the compound provided by present invention has not only a greatly enhanced efficacy, but also a neurotoxicity greatly lower than that of RTG, and thus possesses a wider safety window.


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