申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:EP0889042A1
公开(公告)日:1999-01-07
Radicicol derivatives represented by the following formula (I) having tyrosine kinase inhibition activity or pharmacologically acceptable salts thereof:
wherein R1 and R2 are the same or different, and each represents hydrogen, alkanoyl, alkenoyl, tert-butyldiphenylsilyl or tert-butyldimethylsilyl; R3 represents Y-R5 wherein Y represents substituted or unsubstituted alkylene; and R5 represents CONR6R7 (wherein R6 represents hydrogen, hydroxyl, substituted or unsubstituted lower alkyl, substituted or unsubstituted higher alkyl, and the like; R7 represents hydroxyl, substituted lower alkyl, and the like), CO2R12 (wherein R12 represents substituted lower alkyl, substituted or unsubstituted higher alkyl, and the like), and the like} and the like; X represents halogen or is combined together with R4 to represent a single bond; and R4 is combined together with X to represent a single bond, or represents hydrogen, alkanoyl, and the like.
具有酪氨酸激酶抑制活性的下式(I)代表的萝卜二酚衍生物或其药理上可接受的盐:
其中 R1 和 R2 相同或不同,各自代表氢、烷酰基、烯酰基、叔丁基二苯基硅烷基或叔丁基二甲基硅烷基;R3 代表 Y-R5 其中 Y 代表取代或未取代的亚烷基;R5 代表 CONR6R7(其中 R6 代表氢、羟基、取代或未取代的低级烷基、取代或未取代的高级烷基等;R7代表羟基、取代的低级烷基等)、CO2R12(其中R12代表取代的低级烷基、取代或未取代的高级烷基等)}等;X代表卤素或与R4结合在一起代表单键;R4与X结合在一起代表单键,或代表氢、烷酰基等。