N-OXIDES OF DIARYLUREA DERIVATIVES AND THEIR USE AS Chk1 INHIBITORS FOR THE TREATMENT OF CANCER
申请人:Boyle Robert George
公开号:US20090270416A1
公开(公告)日:2009-10-29
The invention provides a Chk-1 kinase inhibiting compound of the formula (I) or a salt, solvate or tautomer thereof, wherein: G is CH
2
, O, NH, NHCO or CONH; A is a group (CH
2
)
n
where n is 1 to 4 provided that when G is O or NH, n is at least 2; X
1
is nitrogen or CH; X
2
is nitrogen or a group CR
5
; X
3
is nitrogen or a group CR
5
; X
4
is nitrogen or CH; provided that no more than two of X
2
, X
3
and X
4
are nitrogen; and R
1
; R
2
; R
3
; R
4
; R
5
and R
6
are as defined in the claims.
该发明提供了一种Chk-1激酶抑制化合物,其化学式为(I)或其盐,溶剂合物或互变异构体,其中:G为CH2,O,NH,NHCO或CONH; A是(CH2)n基团,其中n为1至4,但当G为O或NH时,n至少为2; X1为氮或CH; X2为氮或CR5基团; X3为氮或CR5基团; X4为氮或CH; 前提是X2、X3和X4中不超过两个为氮; R1、R2、R3、R4、R5和R6如所述。