申请人:Imperial Chemical Industries PLC
公开号:US04992550A1
公开(公告)日:1991-02-12
A quinazoline of the formula: ##STR1## wherein R.sup.1 is alkyl, cycloalkyl, alkenyl, alkynyl, alkoxy, alkylthio, aryl, aryloxy, arylalkyl, halogeno, hydroxy, mercapto, pyridylthio, pyrimidinylthio, or substituted alkyl or alkoxy; wherein R.sup.2 is hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl or alkanoyl; wherein Ar is phenylene, naphthylene or heterocyclene which is unsubstituted or bears one or more substituents and wherein R.sup.3 is such that R.sup.3 --NH.sub.2 is an amino acid; or a pharmaceutically-acceptable salt or ester thereof. The compounds possess anti-tumour activity.
一种化学式为:##STR1## 的喹唑啉,其中 R.sup.1 是烷基,环烷基,烯基,炔基,烷氧基,硫代烷基,芳基,芳氧基,芳基烷基,卤素,羟基,巯基,吡啶硫代基,嘧啶硫代基,或取代的烷基或烷氧基;其中 R.sup.2 是氢,烷基,烯基,炔基,取代的烷基或烷酰基;其中 Ar 是苯基,萘基或杂环烯基,未取代或带有一个或多个取代基,且 R.sup.3 是使得 R.sup.3 --NH.sub.2 为氨基酸的基团;或其药用可接受的盐或酯。这些化合物具有抗肿瘤活性。