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    • 2. 发明授权
    • Derivatives of bicyclic lactols
    • 双环乳糖的衍生物
    • US4257962A
    • 1981-03-24
    • US942819
    • 1978-09-15
    • Tibor SzaboLaszlo InstitorisGabor KovacsGyula DalmadiBela KoszegiIstvan Stadler
    • Tibor SzaboLaszlo InstitorisGabor KovacsGyula DalmadiBela KoszegiIstvan Stadler
    • C07C405/00A61K31/34A61K31/343A61P7/02A61P25/02A61P35/00C07D307/935
    • C07D307/935
    • Racemic or optically active compounds with antitumor activity of the formula: ##STR1## wherein X is oxygen or sulfur;R.sup.1 is hydrogen, C.sub.1 to C.sub.4 alkanoyl, benzoyl or phenyl-substituted benzoyl;R.sup.2 is hydrogen or C.sub.1 to C.sub.4 alkanoyl;R.sup.3 is C.sub.2 to C.sub.40 straight or branched chain alkyl substituted by hydroxy, epoxy, amino, C.sub.1 to C.sub.6 alkylamino, C.sub.1 to C.sub.6 dialkylamino, C.sub.1 to C.sub.6 alkanoyloxy or, C.sub.1 to C.sub.4 alkoxycarbonyl; cyclohexyl, phenyl unsubstituted or substituted by halogen, amino, C.sub.1 to C.sub.4 alkyl-substituted amino, C.sub.1 to C.sub.4 alkoxy, nitro, or hydroxy; C.sub.1 to C.sub.6 alkanoyl; allyl or phenyl-C.sub.1 to C.sub.4 alkyl unsubstituted or substituted by a C.sub.2 to C.sub.6 alkene group; or where X is sulfur R.sup.3 is as defined above or is C.sub.1 to C.sub.40 straight or branched chain alkyl; and.about. represents the exo- or endo-steric position in the ring and indicates an .alpha.- or .beta.-steric position in the side chain are disclosed.
    • 具有下式的抗肿瘤活性的外消旋或光学活性化合物:其中X是氧或硫; R1是氢,C1至C4烷酰基,苯甲酰基或苯基取代的苯甲酰基; R2是氢或C1-C4烷酰基; R3为C2至C40被羟基,环氧基,氨基,C1至C6烷基氨基,C1至C6二烷基氨基,C1至C6烷酰氧基或C1至C4烷氧基羰基取代的直链或支链烷基; 环己基,未取代或被卤素取代的苯基,氨基,C1至C4烷基取代的氨基,C1至C4烷氧基,硝基或羟基; C1至C6烷酰基; 烯丙基或未被取代或被C2至C6烯基取代的苯基-C1至C4烷基; 或其中X为硫的R 3如上所定义或为C 1至C 40直链或支链烷基; 而DIFFERENCE表示环中的外 - 或内 - 立体位置,并且表示侧链中的α或β-甾族位置。