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:
Jun. 14, 2005
Filed:
Jun. 21, 2001
Yoichi Iimura, Ibaraki, JP;
Takashi Kosasa, Ibaraki, JP;
Yoichi Iimura, Ibaraki, JP;
Takashi Kosasa, Ibaraki, JP;
Eisai Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a novel compound having a superior acetylcholinesterase inhibitory action. It provides a compound represented by the formula:(In the formula, Rrepresents a group represented by the formula:(wherein, R, R, Rand Rare the same as or different from each other and each represents a hydrogen atom, an optionally substituted Calkoxy group and the like; and m represents an integer from 0 to 6) and the like; and Rrepresents a hydrogen atom, an optionally substituted Calkyl group, an optionally substituted Calkenyl group or an optionally substituted Calkynyl group), a salt thereof or a hydrate of them.