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    • 18. 发明授权
    • 4-oxa-1-azabicyclo [3,2,0] heptan-7-one derivatives as antitumor agents
    • 4-氧杂-1-氮杂双环[3,2,0]庚-7-酮衍生物作为抗肿瘤剂
    • US5561126A
    • 1996-10-01
    • US362490
    • 1995-03-16
    • Toshio OtaniShinji OieHiroshi MatsumotoMark TempestRonald MicetichRajeshwar SinghTomohiro Yamashita
    • Toshio OtaniShinji OieHiroshi MatsumotoMark TempestRonald MicetichRajeshwar SinghTomohiro Yamashita
    • C07D503/00A61K31/42A61P35/00H61K31/395
    • A61K31/42
    • The present invention relates to the use of 4-oxa-1-azabicyclo [3,2,0] heptan-7-one derivatives of formula (I) or a pharmaceutically acceptable salt thereof, as antitumor agents. ##STR1## Wherein R is --OCOR.sub.1 group wherein R.sub.1 is hydrogen atom, a C.sub.1-9 alkyl group which may be substituted by either one or two substituents selected together from halogen atom, hydroxy, carboxy group or (3RS,5SR)-(4-oxo-1-azabicyclo[3,2,0]heptan-7-one-3-yl) methyloxycarbonyl, a C.sub.2-17 alkenyl group, which may be substituted by carboxy group or (3RS,5SR)-(4-oxa-1-azabicyclo [3,2,0]heptan-7-one-3-yl)methyloxycarbonyl, A C.sub.2-4 alkynyl group, a C.sub.3-6 cycloalkyl group which may be substituted by carboxy group or phenyl group which may have 1, 2 or 3 substituents selected from the group consisting of cyano group, halogen atom, C.sub.1-6 alkoxy group which may be substituted by carboxy group, C.sub.1-6 alkyl group, amino group or hydroxy group.--OR.sub.2 wherein R.sub.2 is a hydrogen atom or benzyl group which may be substituted by 1 or 2 C.sub.1-6 alkoxy group.--S(O).sub.n R.sub.3 wherein R.sub.3 is phenyl group or a benzyl group which may be substituted by C.sub.1-6 alkyl group, n is 0, 1, or 2;or --CH.sub.2 OH.
    • PCT No.PCT / GB93 / 01435 Sec。 371日期1995年3月16日 102(e)1995年3月16日PCT PCT 1993年7月8日PCT公布。 公开号WO94 / 01109 1994年1月20日的日本本发明涉及式(I)的4-氧杂-1-氮杂双环[3,2,0]庚-7-酮衍生物或其药学上可接受的盐作为抗肿瘤剂。 (I)其中R是-OCOR1基团,其中R1是氢原子,可以被一个或两个选自卤原子,羟基,羧基或(3RS,5SR)的取代基取代的C1-9烷基, - (4-氧代-1-氮杂双环[3,2,0]庚-7-酮-3-基)甲氧基羰基,可被羧基取代的C 2-7烯基或(3RS,5SR) - ( 4-氧杂-1-氮杂双环[3,2,0]庚-7-酮-3-基)甲氧基羰基,C 2-4炔基,可被羧基或苯基取代的C 3-6环烷基, 可以具有1,2或3个选自氰基,卤素原子,可被羧基,C 1-6烷基,氨基或羟基取代的C 1-6烷氧基的取代基。 -OR 2,其中R 2是可被1或2个C 1-6烷氧基取代的氢原子或苄基。 -S(O)n R 3,其中R 3是苯基或可被C 1-6烷基取代的苄基,n是0,1或2; 或-CH 2 OH。