申请人:Merck & Co., Inc.
公开号:US04880821A1
公开(公告)日:1989-11-14
A compound of the formula ##STR1## wherein: R.sub.1 and R.sub.2 are defined as follows: R.sub.1 is hydrogen, an alkyl group, or an alkyl group having one or more hydroxy groups; R.sub.2 is an alkyl group having one or more hydroxy groups, or an alkyl group containing an amino group in which the amino function is substituted with hydrogen or one or two individual alkyl groups same or different, or two alkyl groups which together form a cyclic amine, e.g. piperidine; R.sub.3 is hydrogen or an alkyl group; and R.sub.4 is hydrogen or an alkyl group. The compounds have high radiosensitizing activity and selectivity for hypoxic cells.
化合物的式子为##STR1## 其中:R.sub.1和R.sub.2的定义如下:R.sub.1是氢,烷基或含有一个或多个羟基的烷基;R.sub.2是含有一个或多个羟基的烷基,或含有氨基的烷基,其中氨基功能用氢或一个或两个相同或不同的个体烷基取代,或两个烷基共同形成环状胺,例如哌啶;R.sub.3是氢或烷基;R.sub.4是氢或烷基。这些化合物具有高放射敏化活性和对低氧细胞的选择性。