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    • 8. 发明公开
    • RADICICOL DERIVATIVES
    • DERIVATE DES RADICICOLS
    • EP0823429A1
    • 1998-02-11
    • EP96912263.9
    • 1996-04-26
    • Kyowa Hakko Kogyo Co., Ltd.
    • AGATSUMA, TsutomuSAITOH, YutakaYAMASHITA, YoshinoriMIZUKAMI, TamioAKINAGA, ShiroGOMI, KatsushigeAKASAKA, KazuhitoTAKAHASHI, Isami
    • C07D313/00C07D493/04A61K31/365
    • C07D313/00
    • The present invention relates to radicicol derivatives represented by the following formula (I) or pharmacologically acceptable salts thereof:
      wherein R 1 and R 2 are the same or different and each represents hydrogen, alkanoyl, alkenoyl or tert-butyldimethylsilyl; (1) when X represents halogen, Y represents an oxygen atom or R 4 -O-N (wherein R 4 represents hydrogen or substituted or unsubstituted lower alkyl); and R 3 represents hydrogen, alkanoyl, alkenoyl or the like; and (2) when X and R 3 are combined with each other to represent a single bond; Y represents R 4B -O-N (wherein R 4B has the same meaning as R 4 ). The radicicol derivatives of the present invention demonstrate tyrosine kinase inhibition activity and pharmacological activities such as antitumor, antimicrobial or immunosuppression effects.
    • 本发明涉及由下式(I)表示的根赤壳菌素衍生物或其药理学上可接受的盐:其中R 1和R 2相同或不同,各自代表氢,链烷酰基,烯酰基或叔 - 甲基硅烷基; (1)当X表示卤素时,Y表示氧原子或R 4 -O-N(其中R 4表示氢或取代或未取代的低级烷基); 和R 3代表氢,烷酰基,烯酰基等; 和(2)当X和R 3彼此结合以表示单键时; Y表示R 4B-N-N(其中R 4具有与R 4相同的含义)。 本发明的根皮霉素衍生物显示出酪氨酸激酶抑制活性和药理活性,如抗肿瘤,抗微生物或免疫抑制作用。