申请人:Daiichi Radioisotope Laboratories, Ltd.
公开号:US06121305A1
公开(公告)日:2000-09-19
A medicine or reagent comprising a bipyrazole derivative of the following formula (I), ##STR1## wherein R.sub.1 and R.sub.2 are individually a hydrogen atom, aryl group, alkyl group having 1-5 carbon atoms, or alkoxycarbonylalkyl group having a total of 3-6 carbon atoms, R.sub.3 and R.sub.4 are individually a hydrogen atom, alkyl group having 1-5 carbon atoms, cycloalkyl group having 5-7 carbon atoms, hydroxyalkyl group having 1-3 carbon atoms, benzyl group, naphthyl group, or substituted or unsubstituted phenyl group, as an active component. The medicine is useful for effectively capturing active oxygen and free radicals which cause adult diseases such as cerebral ischemia, heart disease, digestive system disease, and carcinoma, as well as inflammation, and for diagnosing diseases associated with in vivo free radicals.
一种药物或试剂,包括以下式(I)的双吡唑衍生物:
##STR1##
其中,R1和R2分别是氢原子、芳基、含有1-5个碳原子的烷基或含有3-6个碳原子的烷氧羰基烷基;R3和R4分别是氢原子、含有1-5个碳原子的烷基、含有5-7个碳原子的环烷基、含有1-3个碳原子的羟基烷基、苄基、萘基或取代或未取代的苯基,作为活性成分。该药物对于有效捕获引起成人疾病(如脑缺血、心脏病、消化系统疾病和癌症)以及炎症的活性氧和自由基,以及诊断与体内自由基相关的疾病非常有用。