Benzoxazinone derivative

Details Benzoxazinone derivative Benzoxazinone derivative

C - Chemistry, Metallurgy

07

D

C07D 265/22 (2006.01) A61K 31/055 (2006.01) A61K 31/535 (2006.01) C07D 413/12 (2006.01) C07D 413/14 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2101428

2101428 9311121 PCTABS00022 A benzoxazinone derivative represented by general formula (I) or a pharmaceutically acceptable acid addition salt thereof, and an anti-inflammatory, a neutrophil infiltration inhibitor and a serine protease inhibitor each containing the derivative as an active ingredient, wherein R, R1, R2 and R3 may be the same or different from one another and each represents hydrogen or lower alkyl; A represents optionally halogenated phenyl, heterocycle or adamantyl; B represents hydrogen or optionally halogenated phenyl or heterocycle; U represents =CH-, =C= or =N-; V represents -O-, -CH2-, =N-, -NH-, -CH= or a single bond; X represents -O-, =CH-, -CH2- or a single bond; Y represents -CH2-, -NH-, -O- or a single bond; Z represents -CO- or -CH2-; and l represents an integer of 0 to 3. This compound has excellent activities of inhibiting serine protease, neutrotaxis, and infiltration of neutrophils into carragheenin-induced pneumocephalus.

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