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    • 4. 发明授权
    • Pyrrolopyrimidinyalglutaminate derivatives and their use
    • 吡咯并嘧啶酰谷氨酸衍生物及其用途
    • US5403843A
    • 1995-04-04
    • US926170
    • 1992-08-07
    • Hiroshi AkimotoKoichiro OotsuFumio Itoh
    • Hiroshi AkimotoKoichiro OotsuFumio Itoh
    • C07D487/04C07D491/04C07D491/048C07D495/04A61K31/505
    • C07D487/04C07D491/04C07D495/04
    • A condensed pyrimidine derivative of the formula (I): ##STR1## wherein the ring A stands for an optionally substituted 5-membered ring; B stands for an optionally substituted divalent 5- or 6-membered homo- or hetero-cyclic group; X stands for, among others, amino group; Y stands for, among others, hydrogen atom, halogen atom or amino group; Z stands for a divalent aliphatic group having five or less atoms forming straight chain, optionally having nitrogen, whose chain portion may optionally have a hetero-atom; W stands for, among others, --NH--CO-- or --CO--NH--; R.sup.1 stands for an optionally substituted cyclic or chain-like group; COOR.sup.2 stands for an optionally esterified carboxyl group; and p denotes an integer of 1 to 4, provided that when --W--R.sup.1 denotes a moiety represented by the formula: ##STR2## wherein COOR.sup.16 and COOR.sup.17 are, independently, an optionally esterified carboxyl group and n denotes an integer of 1 to 5, p denotes 1, 3 or 4, or a salt thereof, exhibiting highly specific toxicities to various tumor cells and excellent therapeutic effects on methotrexate-resistant tumor cells as well.
    • 式(I)的稠合嘧啶衍生物:其中环A代表任选取代的5元环; B代表任选取代的二价5-或6-元同 - 或杂 - 环基团; X代表氨基; Y代表氢原子,卤素原子或氨基; Z代表具有五个或更少个原子的二价脂族基,其形成直链,任选具有氮,其链部分可任选具有杂原子; W代表-NH-CO-或-CO-NH-; R1代表任选取代的环状或链状基团; COOR2代表任意酯化的羧基; 并且p表示1至4的整数,条件是当-W-R 1表示由下式表示的部分时:其中COOR 16和COOR 17独立地是任选酯化的羧基,n表示1至5的整数 ,p表示1,3或4或其盐,对各种肿瘤细胞具有高度特异性的毒性,并且对氨甲蝶呤抗性肿瘤细胞也具有优异的治疗作用。