申请人:Santen Pharmaceutical Co., Ltd.
公开号:US06492370B1
公开(公告)日:2002-12-10
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 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.
本发明的目的在于创造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产生抑制作用。本发明提供由以下通式[I]表示的化合物,其中R1为H、烷基、芳香基、RA—CO—、RC—S—或通式[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性杂环环;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为亚烷基。