862088-71-9Relevant articles and documents
PIPERAZINYL DERIVATIVES USEFUL IN THE TREATMENT OF GPR38 RECEPTOR MEDIATED DISEASES
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Page/Page column 46-47, (2008/06/13)
The invention relates to compounds of formula (I), processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of conditions or disorders which are mediated via the GPR38 receptor.
NOVEL BENZOFURAN DERIVATIVE, MEDICINAL COMPOSITION CONTAINING THE SAME, AND USES OF THESE
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Page/Page column 30, (2008/06/13)
[From equivalent EP1710233A1] The present invention provides compounds represented by general formula (I): or pharmaceutical acceptable salts thereof, wherein R1 is hydrogen or lower alkyl; R2 is lower alkyl, halo-lower alkyl, cycloalkyl, heterocycloalkyl, aryl, aralkyl, arylalkenyl, aryloxy-lower alkyl, heteroaryl, heteroaryl-lower alkyl, etc; R3, R4, R5 and R6 are each hydrogen, halogen, cyano, lower alkyl, halo-lower alkyl, lower alkoxy, hydroxy, aryl, etc; provided that at least one of R3, R4, R5 and R6 is other than hydrogen. Compound (I) of the present invention shows a potent adenosine A2A receptor antagonistic activity, and are useful for treating or preventing a disease mediated by adenosine A2A receptors such as motor function disorders, depression, anxiety disorders, cognitive function disorders, cerebral ischemia disorders, restless legs syndrome and the like.