Compounds of formula (1) are described in which R
a
and R
b
is each independently a hydrogen atom or a group R
c
, or R
a
and R
b
together form an oxo (═O) or thio (═S) group; X is a N atom or an optionally substituted CH group: Y is a —O— or —S— atom or —SO— or —SO
2
— group or an optionally substituted —CH
2
— or —NH— group with the proviso that when R
a
and R
b
together form an oxo (═O) or thio (═S) group Y is an optionally substituted —CH
2
— or —NH-group; L
1
is a covalent bond or a linker atom or group; p is zero or the integer 1; Alk
1
is an optionally substituted C
1-10
aliphatic or C
1-10
heteroaliphatic chain; n is zero the integer 1, 2 or 3 with the proviso that when n is zero Y is an optionally substituted —CH
2
— group: Ar is an optionally substituted C
6-12
aromatic or C
1-9
heteroaromatic group; m is zero or the integer 1, 2 or 3; q is zero or the integer 1 or 2; R
1
, R
c
and R
d
are hydrogen atoms or the substituents described in the patent specification; and the salts, solvates, hydrates and N-oxides thereof. The compounds are potent and selective inhibitors of p38 kinase and are useful in the treatment of immune or inflammatory disorders.
公式(1)的化合物如下所述:其中Ra和Rb分别独立地是氢原子或基团Rc,或者Ra和Rb共同形成氧(═O)或
硫(═S)基团;X是N原子或可选取代的CH基团;Y是—O—或—S—原子或—SO—或—SO2—基团或可选取代的—
CH2—或—NH—基团,但当Ra和Rb共同形成氧(═O)或
硫(═S)基团时,Y是可选取代的— —或—NH—基团;L1是共价键或连接原子或基团;p为零或整数1;Alk1是可选取代的C1-10脂肪或C1-10杂脂肪链;n为零或整数1、2或3,但当n为零时,Y是可选取代的— —基团;Ar是可选取代的C6-12芳香或C1-9杂芳基团;m为零或整数1、2或3;q为零或整数1或2;R1、Rc和Rd是氢原子或专利说明书中描述的取代基;以及其盐、溶剂化合物、
水合物和N-氧化物。这些化合物是p38激酶的有效选择性
抑制剂,可用于治疗免疫或炎症性疾病。