The invention is directed to physiologically active compounds of formula (I):
1
wherein one of A
1
, A
2
and A
3
represents NR
2
and the others represent C(R
3
)(R
4
); R
1
represents R
5
Z
1
—Het- or R
6
N(R
7
)—C(═O)—NH—Ar
2
—; Ar
1
represents aryldiyl or heteroaryldiyl; L
1
represents a —R
12
-R
13
— linkage (where R
12
is a direct bond or an alkylene chain, an alkenylene chain or an alkynylene chain and R
13
is a direct bond, cycloalkylene, heterocycloalkylene, aryldiyl, heteroaryldiyl, —C(═Z
3
)—NR
11
—, —NR
11
—C(═Z
3
)—, —Z
3
—, —C(═O)—, —C(═NOR
11
)—, —NR
11
—, —NR
11
—C(═Z
3
)—NR
11
—, —SO
2
—NR
11
—, —NR —SO
2
—, —O—C(═O)—, —C(═O)—O—, —NR
11
—C(═O)—O— or —O—C(═O)—NR
11
—); and their prodrugs, and pharmaceutically acceptable salts and solvates of such compounds and their prodrugs.
Such compounds have valuable pharmaceutical properties, in particular the ability to regulate the interaction of VCAM-1 and fibronectin with the integrin VLA4 (&agr;4&bgr;1).
本发明涉及公式(I)的生理活性化合物:
其中A1、A2和A3中的一个表示NR2,其余表示C(R3)(R4);R1表示R5Z1—Het-或R6N(R7)—C(═O)—NH—Ar2—;Ar1表示芳基二基或杂芳基二基;L1表示—R12-R13—连接(其中R12是直接键或烷基链、烯基链或炔基链,R13是直接键、环烷基、杂环烷基、芳基二基、杂芳基二基、—C(═Z3)—NR11—、—NR11—C(═Z3)—、—Z3—、—C(═O)—、—C(═NOR11)—、—NR11—、—NR11—C(═Z3)—NR11—、—SO2—NR11—、—NR—SO2—、—O—C(═O)—、—C(═O)—O—、—NR11—C(═O)—O—或—O—C(═O)—NR11—);以及它们的前药、这些化合物及其前药的药学上可接受的盐和溶剂。
这些化合物具有有价值的药理特性,特别是调节VCAM-1和纤维连接蛋白与整合素V
LA4(α4β1)的相互作用的能力。