申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:EP1072591A1
公开(公告)日:2001-01-31
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-α production inhibitory effects.
The present invention provides compounds represented by the following formula [I] wherein R1 is H, alkyl, aromatic, RA-CO-, RC-S- or the formula [II]; R2, R3 and R4 are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R5 and R6 are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R5 and R6 can together form a nonaromatic heterocyclic ring; R7 is H, alkyl, cycloalkyl, hydroxy, mercapto, phenyl, RB-O-, RC-S-, RD-COS-, RE-OCO-, RF-N(RG)- or ―CONHOH; and A1 and A2 are alkylene.
本发明的目的是创造出以脲结构为基本结构、侧链中具有一个硫原子和一个酰胺键的化合物,并发现其药理作用,特别是抑制TNF-α产生的作用。
本发明提供了由下式[I]代表的化合物 其中 R1 是 H、烷基、芳香族、RA-CO-、RC-S- 或式[II];R2、R3 和 R4 是 H、烷基、烯基、环烷基、环烯基或芳香族;R5 和 R6 是 H、烷基、烯基、环烷基、环烯基或芳香族;R5 和 R6 可共同形成一个非芳香族杂环;R7 是 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;以及 A1 和 A2 是亚烷基。