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.
Patent No.:
Date of Patent:
May. 24, 2016
Filed:
Jul. 03, 2013
Applicant:
Zhejiang Hisun Pharmaceutical Co., Ltd., Taizhou, CN;
Inventors:
Hua Bai, Taizhou, CN;
Xuyang Zhao, Chengdu, CN;
Jinqing Zhong, Taizhou, CN;
Yongxiang Gong, Taizhou, CN;
Qifeng Zhu, Taizhou, CN;
Xiaoyu Liu, Taizhou, CN;
Xiaohe Zheng, Taizhou, CN;
Lifei Liu, Taizhou, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/06 (2006.01); C07D 491/056 (2006.01); A61K 31/435 (2006.01); A61K 31/4523 (2006.01); C07D 491/04 (2006.01); C07D 491/113 (2006.01);
U.S. Cl.
CPC ...
C07D 491/056 (2013.01); A61K 31/435 (2013.01); A61K 31/4523 (2013.01); C07D 401/06 (2013.01); C07D 491/04 (2013.01); C07D 491/113 (2013.01);
Abstract
Provided in the present invention are novel benzodioxole derivatives and preparation methods thereof. These compounds represented by formula (I) or pharmaceutically acceptable salts thereof have acetylcholinesterase inhibitory activity, so can be used in the treatment or prevention of Alzheimer's disease. The definitions of R, Rand A of formula (I) can be seen in the description.