申请人:Cancer Research Technology Limited
公开号:US08258175B2
公开(公告)日:2012-09-04
A compound of formula
or a prodrug and/or a pharmaceutically acceptable salt thereof, wherein X is O, N or S; R1 is hydrogen, halo, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyalkyl, substituted or unsubstituted alkylamine, alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroaralkyl; R2 is hydrogen, halo, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted hydroxyalkyl substituted or unsubstituted alkylamine, alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroalkyl; R3 is hydrogen, halo, hydroxy, substituted or unsubstituted alloy substituted or unsubstituted hydroxyalkyl, substituted or unsubstituted alkylamine alkoxy, substituted or unsubstituted aryl or heteroaryl, and substituted or unsubstituted aralkyl or heteroalkyl; and R4-R7, is used to represent groups R4, R5, R6 and R7 which are H, OH, alkyl, alkoxy, alkylamine, hydroxyalkyl, halo, CF3, NH2, NO2, COOH, C═O.
化合物的化学式为,或其前体和/或其药学上可接受的盐,其中X为O,N或S; R1为氢,卤素,羟基,取代或未取代的烷基,取代或未取代的羟基烷基,取代或未取代的烷基胺,烷氧基,取代或未取代的芳基或杂环芳基,以及取代或未取代的芳基烷基或杂环芳基烷基; R2为氢,卤素,羟基,取代或未取代的烷基,取代或未取代的羟基烷基,取代或未取代的烷基胺,烷氧基,取代或未取代的芳基或杂环芳基,以及取代或未取代的芳基烷基或杂环芳基烷基; R3为氢,卤素,羟基,取代或未取代的烷基,取代或未取代的羟基烷基,取代或未取代的烷基胺,烷氧基,取代或未取代的芳基或杂环芳基,以及取代或未取代的芳基烷基或杂环芳基烷基; R4-R7用于表示R4,R5,R6和R7,它们可以是H,OH,烷基,烷氧基,烷基胺,羟基烷基,卤素,CF3,NH2,NO2,COOH,C═O。