申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:US20020198376A1
公开(公告)日:2002-12-26
Objects of the present invention are to create compounds having urea structure as basic structure and having a sulfur atom and an amide bond in side chains and to find pharmacological effects thereof, particularly TNF-&agr; production inhibitory effects.
The present invention provides compounds represented by the following formula [I] wherein R
1
is H, alkyl, aromatic, R
A
—CO—, R
C
—S— or the formula [II]; R
2
, R
3
and R
4
are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R
5
and R
6
are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R
5
and R
6
can together form a nonaromatic heterocyclic ring; R7 is H, alkyl, cycloalkyl, hydroxy, mercapto, phenyl, R
B
—O—, R
C
—S—, R
D
—COS—, R
E
—OCO—, R
F
—N(R
G
)— or —CONHOH; and A
1
and A
2
are alkylene.
1
本发明的目的是创建具有尿素结构作为基本结构并在侧链中具有硫原子和酰胺键的化合物,并发现其药理作用,特别是TNF-α生产抑制作用。本发明提供由以下式子(I)表示的化合物,其中R1为H、烷基、芳香基、RA—CO—、RC—S—或式子(II);R2、R3和R4为H、烷基、烯基、环烷基、环烯基或芳香基;R5和R6为H、烷基、烯基、环烷基、环烯基或芳香基;R5和R6可以一起形成非芳香杂环;R7为H、烷基、环烷基、羟基、巯基、苯基、RB—O—、RC—S—、RD—COS—、RE—OCO—、RF—N(RG)—或—CONHOH;A1和A2为烷基。