申请人:Wakabayashi Toshiaki
公开号:US20050176712A1
公开(公告)日:2005-08-11
The present invention provides an integrin expression inhibitor, and an agent for treating arterial sclerosis, psoriasis, cancer, retinal angiogenesis, diabetic retinopathy or inflammatory diseases, an anticoagulant, or a cancer metastasis suppressor on the basis of an integrin inhibitory action. Namely, it provides an integrin expression inhibitor comprising, as an active ingredient, a sulfonamide compound represented by the following formula (I), a pharmacologically acceptable salt thereof or a hydrate of them,
wherein in the formula, B means a C6-C10 aryl ring or 6- to 10-membered heteroaryl ring which may have a substituent and in which a part of the ring may be saturated; K means a single bond, —CH═CH— or —(CR
4b
R
5b
)
m
b
— (wherein R
4b
and R
5b
are the same as or different from each other and each means hydrogen atom or a C1-C4 alkyl group; and m
b
means an integer of 1 or 2); R
1
means hydrogen atom or a C1-C6 alkyl group; Z means a single bond or —CO—NH—; and R means a C6-C10 aryl ring or 6- to 10-membered heteroaryl ring which may have a substituent and in which a part of the ring may be saturated, respectively.
本发明提供了一种整合素表达抑制剂,并提供了一种基于整合素抑制作用的用于治疗动脉硬化、银屑病、癌症、视网膜血管生成、糖尿病视网膜病变或炎症性疾病的药剂、抗凝剂或癌症转移抑制剂。换句话说,本发明提供了一种整合素表达抑制剂,其包括以下式(I)所表示的磺酰胺化合物作为活性成分、其药学上可接受的盐或其水合物:
其中,在上述式中,B表示C6-C10芳基环或6-至10元杂环芳基环,其中可能有取代基,并且环的一部分可能是饱和的;K表示单键,-CH═CH-或-(CR4bR5b)mb-(其中R4b和R5b相同或不同,每个表示氢原子或C1-C4烷基;mb表示1或2的整数);R1表示氢原子或C1-C6烷基;Z表示单键或-CO-NH-;R分别表示C6-C10芳基环或6-至10元杂环芳基环,其中可能有取代基,并且环的一部分可能是饱和的。