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, 2011
Filed:
May. 30, 2005
Takashi Mizutani, Moriya, JP;
Tsuyoshi Nagase, Tsukuba, JP;
Nagaaki Sato, Tsukuba, JP;
Akio Kanatani, Ushiku, JP;
Shigeru Tokita, Tsukuba, JP;
Takashi Mizutani, Moriya, JP;
Tsuyoshi Nagase, Tsukuba, JP;
Nagaaki Sato, Tsukuba, JP;
Akio Kanatani, Ushiku, JP;
Shigeru Tokita, Tsukuba, JP;
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
This invention provides a compound or its pharmaceutically-acceptable salt of formula (I) wherein Rrepresents a lower alkyl group et al; Rand Rare same and different and represents hydrogen atm et al; Rrepresents the substituent of the formula (II) et al; Xrepresents NH, O or S; Y represents N or C; Ar is a divalent substituent derived from aryl et al, by removing two hydrogen atoms therefrom; the ring A represents a 5- or 6-membered heteroaryl group; this compounds has a histamine-H3 receptor antagonistic effect or a histamine-H3 receptor inverse-agonistic effect and is useful for preventive or remedy of metabolic system diseases, circulatory system diseases or nervous system diseases.