申请人:Taiho Pharmaceutical Co., Ltd.
公开号:US07855300B2
公开(公告)日:2010-12-21
The present invention provides a compound that exhibits an excellent antitumor effect and reduces side effects, such as skin disorders, of the existing retinoid by selectively activating on the nuclear receptor RARα, thereby possibly producing significant improvement of clinical profits. Specifically, the present invention provides a bis(trimethylsilyl)phenyl compound represented by Formula (I):
wherein X is N or CH; Y is O or S; R1, R2, and R3 are the same or different and are hydrogen or lower alkyl; R4 and R5 are the same or different and are hydrogen, lower alkyl, or halogen; and a bond between a carbon atom to which R1 is attached and a carbon atom to which R2 is attached is a single bond or a double bond;
or a salt thereof.
本发明提供了一种化合物,其表现出优异的抗肿瘤效果并减少现有维甲酸类药物的副作用,例如皮肤疾病,通过选择性激活核受体RARα,因此可能产生显著的临床利润改善。具体而言,本发明提供一种由式(I)表示的双(三甲基硅基)苯基化合物:其中X为N或CH;Y为O或S;R1、R2和R3相同或不同,为氢或低碳基;R4和R5相同或不同,为氢、低碳基或卤素;以及连接R1所附着的碳原子和R2所附着的碳原子之间的键为单键或双键;或其盐。