PHENANTHROINDOLIZIDINE COMPOUND AND NF B INHIBITOR CONTAINING SAME AS ACTIVE INGREDIENT
申请人:Kabushiki Kaisha Yakult Honsha
公开号:EP2351754A1
公开(公告)日:2011-08-03
A novel compound having an excellent NFκB inhibitory effect is provided and specifically disclosed is a compound represented by the following formula (1) or a salt thereof:
wherein, R1 represents a hydrogen atom, a lower alkyl group, a lower alkyloxy group, or a halogen atom;
R2 represents a hydroxyl group, or a lower alkyloky group;
R3 represents a hydrogen atom, a lower alkyl group, or a halogen atom;
R4 represents a hydrogen atom or a lower alkyloxy group;
R5 represents a hydrogen atom, a lower alkyloxy group, a halogen atom, a hydroxyl group, or a methylenedioxy group formed together with R6 or an isopropylidenedioxy group formed together with R6;
R6 represents a hydrogen atom, a lower alkyloxy group, or a methylenedioxy group formed together with R5 or an isopropylidenedioxy group formed together with R5;
R7 represents a hydrogen atom or a lower alkyl group; and
R8 represents a hydrogen atom, a hydroxyl group, an amino group, or a lower alkylcarbonyloxy group (excluding the case where R1, R3, R4 and R7 are hydrogen atoms, R2 and R8 are hydroxyl groups, and R5 and R6 are methoxy groups).
本发明提供了一种具有优异 NFκB 抑制作用的新型化合物,具体公开了由下式 (1) 表示的化合物或其盐:
其中,R1 代表氢原子、低级烷基、低级烷氧基或卤原子;
R2 代表羟基或低级烷基;
R3 代表氢原子、低级烷基或卤素原子;
R4 代表氢原子或低级烷氧基
R5 代表氢原子、低级烷氧基、卤素原子、羟基或与 R6 共同形成的亚甲基二氧基或与 R6 共同形成的亚异丙基二氧基;
R6 代表氢原子、低级烷氧基或与 R5 共同形成的亚甲基二氧基或与 R5 共同形成的亚异丙基二氧基;
R7 代表氢原子或低级烷基;以及
R8 代表氢原子、羟基、氨基或低级烷基羰氧基(不包括 R1、R3、R4 和 R7 为氢原子,R2 和 R8 为羟基,R5 和 R6 为甲氧基的情况)。