Sulfamoylheleroaryl pyrazole compounds as anti-inflammatory/analgesic agents
申请人:Pfizer Inc.
公开号:US06603008B1
公开(公告)日:2003-08-05
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.
Reactions of phenols having a methylene-tethered chiral allenylsilane at the para position with a hypervalent iodine reagent result in chirality-transferring oxidativeintramolecularcyclization accompanied by dearomatization of the phenol to stereoselectively give spiro[4.5]decadienones possessing a silylethynyl group.
Sulfamoylheteroaryl pyrazole compounds as anti-inflammatory/analgesic agents
申请人:PFIZER INC.
公开号:US20030144280A1
公开(公告)日:2003-07-31
This invention relates to a compound of the formula:
1
or a pharmaceutically acceptable salt thereof, wherein A and R
1
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; R
2
is NH
2
; R
3
and R
4
are each hydrogen, halo, (C
1
-C
4
)alkyl optionally substituted with halo and the like; and X
1
to X
4
are each hydrogen, halo, hydroxy, (C
1
-C
4
)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.