Sulfamoylheleroaryl pyrazole compounds as anti-inflammatory/analgesic agents
AssigneePfizer Inc.
InventorsKazuo Ando, Kiyoshi Kawamura
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Abstract
This invention relates to a compound of the formula: or a pharmaceutically acceptable salt thereof, wherein A and R1 are each an optionally substituted 5 to 6-membered heteroaryl, wherein the heteroaryl is optionally fused to a carbocyclic ring or 5 to 6-heteroaryl; R2 is NH2; R3 and R4 are each hydrogen, halo, (C1-C4)alkyl optionally substituted with halo and the like; and X1 to X4 are each hydrogen, halo, hydroxy, (C1-C4)alkyl optionally substituted with halo and the like. These compounds have COX-2 inhibiting activity and thus useful for treating or preventing inflammation or other COX-2 related diseases.
Claims3
A compound having the formula
- R1 is furyl, thiazolyl or oxazolyl;
- R2 is NH2;
- R3 is trifluoroomethyl;
- R4 is hydrogen, fluoro or ethyl;
- X1 and X2 are independently hydrogen or chloro;
- and
- X3 and X4 are hydrogen.
Dependencies are inferred from the claim text.