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    • 1. 发明公开
    • PYRIDOBENZOXAZINE DERIVATIVES
    • PYRIDOBENZOXAZINDERIVATE
    • EP0924213A4
    • 2002-10-23
    • EP97941258
    • 1997-09-26
    • DAIICHI SEIYAKU CO
    • TAKEMURA MAKOTOTAKAHASHI HISASHIKAWAKAMI KATSUHIRO
    • C07D498/06A61K31/535C07D498/04
    • C07D498/06
    • Derivatives having potent antibacterial activities on gram-negative and gram-positive bacteria and, at the same time, favorable dynamics in vivo and a high safety; and excellent drugs. Compounds represented by general formula (I) and salts thereof, hydrates thereof, and antibacterial agents containing the same as the active ingredient. In said formula, R1 represents hydrogen or C¿1-6? alkyl optionally having substituent(s) selected from the group consisting of hydroxy, halogeno, C1-6 alkylthio and C1-6 alkoxy; R?2¿ represents hydrogen or amino optionally having one or two substituents selected from the group consisting of formyl, C¿1-6? alkyl and C2-6 acyl; and R?3¿ represents hydrogen, phenyl, acetoxymethyl, pivaloyloxymethyl, etoxycarbonyl, cholin, dimethylaminoethyl, 5-indanyl, phthalidinyl, 5-alkyl-2-oxo-1,3-dioxol-4-ylmethyl, 3-acetoxy-2-oxobutyl, C¿1-6? alkyl, C2-7 alkoxymethyl, or phenylalkyl composed of C1-6 alkylene and phenyl.
    • 对革兰氏阴性和革兰氏阳性细菌具有强效抗菌活性的衍生物,同时具有良好的体内动力学和高安全性; 和优秀的药物。 通式(I)表示的化合物及其盐,其水合物和含有它们作为活性成分的抗菌剂。 在所述式中,R1代表氢或C1-6- 任选具有选自羟基,卤代,C 1-6烷硫基和C 1-6烷氧基的取代基的烷基; R 2'代表氢或任选具有一个或两个选自甲酰基,C 1-6 - 烷基和C 2-6酰基; 苯基,乙酰氧基甲基,新戊酰氧基甲基,乙酰氧基羰基,胆碱,二甲基氨基乙基,5-茚满基,酞基,5-烷基-2-氧代-1,3-二氧杂环戊烯-4-基甲基,3-乙酰氧基-2- 氧代丁基,C 1-6 - 烷基,C 2-7烷氧基甲基或由C 1-6亚烷基和苯基组成的苯基烷基。
    • 3. 发明公开
    • CYCLOALKYLAMINOMETHYLPYRROLIDINE DERIVATIVES
    • CYCLOALKYLAMINOMETHYLPYRROLIDINEDERIVATE
    • EP0900793A4
    • 1999-07-07
    • EP97919690
    • 1997-04-24
    • DAIICHI SEIYAKU CO
    • TAKEMURA MAKOTOKIMURA YOUICHIKAWAKAMI KATSUHIROOHKI HITOSHI
    • A61K31/47C07D401/04
    • C07D401/04
    • Compounds of general formula (I) and salts thereof, giving quinolone derivatives which exhibit high antibacterial activity against various bacteria including resistant ones and high safety, wherein R1 is cycloalkyl; R2 is hydrogen, amino, hydroxyl, mercapto, halogenomethyl, alkyl, alkenyl, alkynyl or alkoxy; R3 is amino, halogenomethyl, halogenomethoxy, alkyl, alkenyl, alkynyl or alkoxy; R4 is hydrogen or C¿1?-C6 alkyl; R?5 is C¿3-C6 cycloalkyl; and X is halogeno or hydrogen, with the proviso that these substituents may be further substituted; and Y is hydrogen, phenyl, acetoxymethyl, pivaloyloxymethyl, ethoxycarbonyl, choline, dimethylaminoethyl, 5-indanyl, phthalidinyl, 5-alkyl-2-oxo-1,3-dioxol-4-ylmethyl, 3-acetoxy-2-oxobutyl, C1-C6 alkyl, C2-C7 alkoxymethyl or phenylalkyl composed of C1-C6 alkylene and phenyl.
    • 通式(I)的化合物及其盐,给出对各种细菌(包括抗性细菌和高安全性)表现出高抗菌活性的喹诺酮衍生物,其中R1是环烷基; R2是氢,氨基,羟基,巯基,卤代甲基,烷基,烯基,炔基或烷氧基; R3是氨基,卤代甲基,卤代甲氧基,烷基,烯基,炔基或烷氧基; R4是氢或C1-C6烷基; R 5是C 3 -C 6环烷基; X是卤代或氢,条件是这些取代基可被进一步取代; Y为氢,苯基,乙酰氧基甲基,新戊酰氧基甲基,乙氧基羰基,胆碱,二甲基氨基乙基,5-茚满基,酞基,5-烷基-2-氧代-1,3-二氧杂环戊烯-4-基甲基,3-乙酰氧基-2-氧代丁基, -C6烷基,C2-C7烷氧基甲基或由C1-C6亚烷基和苯基组成的苯基烷基。