Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2011-05-24
2011-05-24
Anderson, Rebecca L (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C546S112000, C514S359000, C514S405000, C514S406000, C514S408000, C514S410000, C548S361100, C548S400000, C548S469000, C548S373100, C548S255000
Reexamination Certificate
active
07947707
ABSTRACT:
The present invention relates to novel compounds having a xanthine oxidase inhibitory effect and an uricosuric effect and pharmaceutical compositions comprising the same as an active ingredient. That is, the present invention relates nitrogen-containing heterocyclic compounds represented by the following general formula (I):wherein Y1represents N or C(R4); Y2represents N or C(R5); R4and R5independently represent an alkyl group, a hydrogen atom etc.; one of R1and R2represents an optionally substituted aryl group, an alkoxy group or an optionally substituted heterocyclic group; the other of R1and R2represents a haloalkyl group, a cyano group, a halogen atom etc.; and R3represents a 5-tetrazolyl group or a carboxy group, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the same as an active ingredient.
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Hoshino Chikara
Sasaki Toshinobu
Takeda Masakazu
Toyoshima Takahiro
Anderson Rebecca L
Kissei Pharmaceutical Co. Ltd.
Shterengarts Samantha L
Westerman Hattori Daniels & Adrian LLP
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