申请人:Vernalis (R&D) Ltd.
公开号:US20170298043A1
公开(公告)日:2017-10-19
Compounds of formula (I) have checkpoint kinase 1 (CHK1) inhibitory activity:
wherein R
1
, R
2
, R
5
and R
6
are independently selected from hydrogen, hydroxy, methyl, trifluoromethyl, hydroxymethyl, methoxy, trifluoromethoxy, methylamino and dimethylamino; R
3
, and R
4
are independently selected from hydrogen, hydroxy, C
1
-C
3
alkyl, fluoro-(C
1
-C
3
)-alkyl, hydroxy-(C
1
-C
3
)-alkyl, C
1
-C
3
alkoxy, fluoro-(C
1
-C
3
)-alkoxy, hydroxy-(C
1
-C
3
)-alkoxy, —N(R
11
)—R
12
, -Alk-N(R
11
)—R
12
, —O-Alk-N(R
11
)—R
12
, —C(═O)OH, carboxy-(C
1
-C
3
)-alkyl, or —C(═O)—NH—R
13
; Alk is a straight or branched chain divalent C
1
-C
6
alkylene radical; R
7
and R
8
are independently selected from hydrogen, hydroxy, or C
1
-C
3
alkoxy; X is a straight chain divalent C
1
-C
3
alkylene radical, optionally substituted on one or more carbons by R
9
and/or R
10
; W is selected from —C(═O)—N(—R
16
)— or —N(—R
17
)—C(═O)—; Y is hydrogen, C
1
-C
3
alkyl, C
1
-C
3
alkoxy, or halo; and Q is selected from optionally substituted phenyl, optionally substituted cyclohexyl, or an optionally substituted 6-membered monocyclic heteroaryl ring.