Imidazole derivatives or salts thereof and drugs containing...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C546S272700, C544S405000, C514S255050

Reexamination Certificate

active

06958353

ABSTRACT:
The invention is directed to an imidazole derivative represented by formula (1):wherein each of R1and R2represents an aryl group, a heteroaryl group, etc.; each of A, X1, and X2represents N or CH; each of Y and Z represents O, S, etc.; each of R3, R4, and R5represents a hydrogen atom, an alkyl group, etc.; m is a number of 1 to 4; and n is a number of 0 to 4, or a salt thereof. The invention is also directed to a drug containing the derivative or the salt as an active ingredient. These compounds exert excellent effects of inhibiting production of NO and IL-6 and are useful for preventing or treating diseases induced by overproduction of NO and IL-6.

REFERENCES:
patent: 4755526 (1988-07-01), Hirsch et al.
patent: 5888999 (1999-03-01), Bodick et al.
patent: 195 41 146 (1997-04-01), None
patent: 0 293 978 (1988-12-01), None
patent: 0 757 988 (1997-02-01), None
patent: 7-33752 (1995-02-01), None
patent: 7-126256 (1995-05-01), None
patent: 11-158156 (1999-06-01), None
patent: WO 94/12461 (1994-06-01), None
patent: WO 99/17777 (1999-04-01), None
patent: WO 01/34578 (2001-05-01), None
Fons et al. Cytokine ((7) 453-462, 1997.

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