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    • 41. 发明授权
    • Composition for increasing the anti-cancer activity of an anti-cancer
compound
    • 用于增加抗癌化合物的抗癌活性的组合物
    • US5155113A
    • 1992-10-13
    • US437315
    • 1989-11-17
    • Setsuro Fujii
    • Setsuro Fujii
    • A61K31/505C07D213/69C07D213/80C07D213/85C07D405/04C07D405/12C07D405/14C07D409/12C07D409/14C07F7/18C07H19/06
    • C07D213/69A61K31/505C07D213/80C07D213/85C07D405/04C07D405/12C07D405/14C07D409/12C07D409/14C07F7/1856C07H19/06
    • A composition for increasing the anti-cancer activity of an anti-cancer compound selected from among 5-fluorouracil and a compound capable of producing 5-fluorouracil in vivo, the composition comprising an effective amount of a pyridine derivative represented by the formula ##STR1## wherein R.sup.1 is hydroxy or acyloxy, R.sup.2 and R.sup.4 are each hydrogen, halogen, amino, carboxyl, carbamoyl, cyano, nitro, lower alkyl, lower alkenyl or lower alkoxycarbonyl, R.sup.3 and R.sup.5 are each hydrogen, hydroxy or acyloxy; when at least one or R.sup.1, R.sup.3 and R.sup.5 is hydroxy, the structure of 1-position on the pyridine ring can be ##STR2## due to the keto-enol tautomerism, said hydrogen attached to nitrogen being optionally substituted with a substituent selected from the group consisting of lower alkyl, tetrahydrofuranyl, tetrahydropyranyl, lower alkoxy-lower alkyl, phthalidyl, carbamoyl, lower alkoxycarbonyl-lower alkylcarbamoyl, phenyl-lower alkoxy-lower alkyl, phenylcarbamoyl which may have a substituent on the phenyl ring, lower alkylcarbamoyl, carboxy-lower alkylcarbamoyl, lower alkylthio-lower alkyl and lower alkenyl, provided that the compound having the following formula is excluded, ##STR3## wherein .alpha. is hydrogen, lower alkyl, tetrahydrofuranyl, tetrahydropyranyl, lower alkoxy-lower alkyl, lower alkylcarbamoyl, lower alkylthio-lower alkyl or lower alkenyl.
    • 一种用于增加选自5-氟尿嘧啶和能够在体内产生5-氟尿嘧啶的化合物的抗癌化合物的抗癌活性的组合物,该组合物包含有效量的由式表示的吡啶衍生物, (1)其中R1是羟基或酰氧基,R2和R4各自为氢,卤素,氨基,羧基,氨基甲酰基,氰基,硝基,低级烷基,低级烯基或低级烷氧基羰基,R3和R5分别为氢,羟基或酰氧基; 当至少一个或R 1,R 3和R 5为羟基时,由于酮 - 烯醇互变异构,吡啶环上的1-位的结构可以是“IMAGE”,所述与氮连接的氢任选被选自以下的取代基取代: 低级烷基,四氢呋喃基,四氢吡喃基,低级烷氧基 - 低级烷基,邻苯二甲酰基,氨基甲酰基,低级烷氧基羰基 - 低级烷基氨基甲酰基,苯基 - 低级烷氧基 - 低级烷基,苯基上可具有取代基的苯基氨基甲酰基,低级烷基氨基甲酰基, 低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基,低级烷基氨基甲酰基, 低级烷基或低级烯基。