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:
Feb. 24, 2015
Filed:
Aug. 01, 2013
Astellas Pharma Inc, Chuo-ku, Tokyo, JP;
Wataru Hamaguchi, Tokyo, JP;
Isao Kinoyama, Tokyo, JP;
Yohei Koganemaru, Tokyo, JP;
Takehiro Miyazaki, Tokyo, JP;
Osamu Kaneko, Tokyo, JP;
Ryuichi Sekioka, Tokyo, JP;
Takuya Washio, Tokyo, JP;
Astellas Pharma Inc., Tokyo, JP;
Abstract
To provide an excellent agent for preventing or treating dementia and schizophrenia based on serotonin 5-HTreceptor regulating action, it was found that a tetrahydroisoquinoline derivative characterized by a structure in which an acylguanidino group binds to a N atom of a tetrahydroisoquinoline ring or the like, and a cyclic group binds to an unsaturated ring has a potent 5-HTreceptor regulating action and an excellent pharmacological action based on the regulating action and also discovered that the tetrahydroisoquinoline derivative is useful as an agent for treating or preventing dementia, schizophrenia, and the like, whereby the present invention has been completed.