Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-07-11
2006-07-11
Saeed, Kamal A. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S262200
Reexamination Certificate
active
07074816
ABSTRACT:
A novel 1,2,4-triazole compound which is useful as a therapeutic agent for hyperuricemia and gout due to hyperuricemia is provided. A compound is represented by the following general formula (1):wherein R2represents an unsubstituted or substituted pyridyl group, R1represents a similar pyridyl group, a pyridine-N-oxide group corresponding to these pyridyl groups, or a phenyl group, and R3represents hydrogen or a lower alkyl group substituted with pivaloyloxy group and R3bonds to a nitrogen atom in the ring. A process for production of a compound by reacting a nitrile and a hydrazide, and a therapeutic agent, particularly a xanthine oxidase inhibitor are also provided.
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Ashizawa Naoki
Inoue Tsutomu
Iwanaga Takashi
Kaneda Soichi
Matsumoto Koji
Chung Susannah L.
Fuji Yakuhin Co., Ltd.
Price Heneveld Cooper DeWitt & Litton LLP
Saeed Kamal A.
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