申请人:BRITISH TECHNOLOGY GROUP LIMITED
公开号:EP0502668A1
公开(公告)日:1992-09-09
Compounds of formula I
in which:
R represents: -OH or -OR′, wherein R′ represents C₁-C₆ alkyl,
R₁a and R₁b, which may be identical or different, represent hydrogen or C₁-C₆ alkyl, unsubstituted or substituted by a hydroxyl, an amino, a N′-alkylamino or a N′,N′-dialkylamino group, such N′-alkyl groups containing 1-4 carbon atoms,
n is 2-5 and
R₂ represents hydrogen, or straight chain C₁₋₄ alkyl,
in the form of a free base or a pharmaceutically acceptable acid addition salt or an N-oxide are useful in antineoplastic treatment and prophylaxis, especially of leukaemias.
式 I 的化合物
其中
R 代表-OH或-OR′,其中R′代表C₁-C₆烷基、
R₁a 和 R₁b 可以相同或不同,代表氢或 C₁-C₆ 烷基,未被羟基、氨基、N′-烷基氨基或 N′,N′-二烷基氨基取代或取代,此类 N′-烷基含有 1-4 个碳原子、
n 为 2-5
R₂ 代表氢或直链 C₁₋₄ 烷基、
以游离碱或药学上可接受的酸加成盐或 N-氧化物的形式存在,可用于抗肿瘤治疗和预防,尤其是白血病。