Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-01-11
2005-01-11
Raymond, Richard L. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S263400, C514S263100, C514S263220, C544S253000, C544S264000, C544S256000, C544S277000, C544S255000
Reexamination Certificate
active
06841549
ABSTRACT:
The present invention provides a preventive or therapeutic agent for diabetes mellitus and diabetic complications, which is a new type based on an adenosine A2 receptor antagonist action.That is, it provides a novel condensed imidazole compound which has an adenosine A2 receptor antagonist action, is effective for preventing or treating diabetes mellitus and diabetic complications, and is represented by the formula (I);(wherein R1represents e.g. an amino group which may be substituted with an alkyl group; R2represents e.g. hydrogen atom, an alkyl group, a cycloalkyl group or an alkyl group, alkenyl group or alkynyl group which may be substituted with hydrox etc.; R3represents e.g. an optionally substituted alkyl group, alkenyl group, alkynyl group, aryl group, heteroaryl group, pyridinone group, pyrimidinone group or piperadinone group; Ar represents e.g. an optionally substituted aryl or heteroaryl group; and Q and W are the same as or different from each other and each represents N or CH), a pharmacologically acceptable salt or hydrates thereof.
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Akamatsu Hiroshi
Asano Osamu
Haga Toyokazu
Harada Hitoshi
Hayashi Kenji
Birch & Stewart Kolasch & Birch, LLP
Eisai Co. Ltd.
Patel Sudhaker B.
Raymond Richard L.
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