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产生抑制作用。本发明提供由以下式子(I)表示的化合物,其中R1是H,烷基,芳香基,RA—CO—,RC—S—或式子(II);R2、R3和R4是H,烷基,烯基,环烷基,环烯基或芳香基;R5和R6是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;A1和A2是烷基。