申请人:Hoffmann-La Roche Inc.
公开号:US06005098A1
公开(公告)日:1999-12-21
Compounds of the formula (I) ##STR1## wherein R.sup.1 is each independently hydrogen or a group easily hydrolyzable under physiological conditions; R.sup.2 is --(CH.sub.2).sub.n -cycloalkyl wherein cycloalkyl contains 3 to 5 carbon atoms and n is an integer from 0 to 4, heteroaryl-(lower-alkyl), (lower-alkoxy)-(lower-alkyl), aryloxy-(lower-alkyl), aralkyloxy-(lower-alkyl), (lower-alkylthio)-(lower-alkyl), arylthio-(lower-alkyl), aralkylthio-(lower-alkyl), oxo-(lower-alkyl), acylamino-(lower-alkyl), cyclic amino-(lower-alkyl), (2-oxocyclic amino)-(lower-alkyl) wherein the alkylene chain is unsubstituted or substituted with one or two lower-alkyl group(s); and R.sup.3 is iodo, or a vinyl or ethynyl group which group is unsubstituted or substituted by one or more substituents selected from the group consisting of halogen, C.sub.1-4 alkyl, cycloalkyl, aralkyl, carbocyclic aromatic ring and heteorcyclic aromatic ring. The compounds of formula I are useful in the treatment of malignant diseases and can also be administered together with 5-fluorouracil or derivatives thereof to enhance the antitumour activity of the latter.
化合物的化学式(I)如下:##STR1## 其中,R.sup.1 独立地为氢或在生理条件下容易水解的基团;R.sup.2 为 --(CH.sub.2).sub.n -环烷基,其中环烷基含有3到5个碳原子,n为0到4的整数,杂环芳基-(较低烷基),(较低烷氧基)-(较低烷基),芳氧基-(较低烷基),芳基烷氧基-(较低烷基),(较低烷硫基)-(较低烷基),芳硫基-(较低烷基),芳基烷硫基-(较低烷基),氧代-(较低烷基),酰胺基-(较低烷基),环状氨基-(较低烷基),(2-氧代环状氨基)-(较低烷基),其中烷基链未取代或取代有一个或两个较低烷基;R.sup.3 为碘,或者为乙烯基或乙炔基,该基团未取代或取代有一个或多个卤素、C.sub.1-4 烷基、环烷基、芳基烷基、碳环芳香环和杂环芳香环中的一种或多种取代基。式(I)化合物在恶性疾病的治疗中有用,并且还可以与5-氟尿嘧啶或其衍生物一起给予,以增强后者的抗肿瘤活性。