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    • 62. 发明授权
    • Quinolone- and 1,8-naphthyridin-4-one-carboxylic acids which are
C-bonded in the 7-position
    • 在7-位C键合的喹诺酮和1,8-萘啶-4-酮羧酸
    • US4956465A
    • 1990-09-11
    • US252631
    • 1988-10-03
    • Michael SchriewerKlaus GroheUwe Petersen
    • Michael SchriewerKlaus GroheUwe Petersen
    • C07D215/56C07D471/04
    • C07D471/04C07D215/56
    • As novel intermediates for antibacterials, the quinolone- and 1,8-naphthyridine-4-one-carboxylic acids which are C-bonded in the 7-position of the formula ##STR1## in which Y represents a carboxyl group, a nitrile group, an ester group --COOR.sup.3, or an acid amide group --CONR.sup.4 R.sup.5, where R.sup.3 stands for C.sub.1 -C.sub.4 -alkyl,X.sup.2 stands for hydrogen, nitro, alkyl having 1 to 3 carbon atoms and halogen, in particularR.sup.1 can be alkyl having 1-4 carbon atoms, vinyl, halogenoalkyl, hydroxyalkyl, cycloalkyl having 1-6 carbon atoms or optionally substituted phenyl,R.sup.2 stands for hydrogen, alkyl having 1-3 carbon atoms which is optionally substituted by halogen, alkoxy having 1-2 carbon atoms or nitro, phenyl and for a radical ##STR2## and Z.sup.1 and Z.sup.2 can each be hydrogen or various organic radicals or together form a ring,and salts and esters thereof.
    • 作为抗细菌剂的新型中间体,在其中Y表示羧基的式“I”的7-位上与C键合的喹诺酮和1,8-二氮杂萘-4-酮羧酸,腈基 ,酯基-COOR3或酰胺基-CONR4R5,其中R3代表C1-C4-烷基,X2代表氢,硝基,具有1至3个碳原子的烷基和卤素,特别是R1可以是具有1个 -4个碳原子,乙烯基,卤代烷基,羟基烷基,具有1-6个碳原子的环烷基或任选取代的苯基,R 2代表氢,具有1-3个碳原子的烷基,其任选被卤素,具有1-2个碳原子的烷氧基或 硝基,苯基和基团,并且Z 1和Z 2各自可以是氢或各种有机基团或一起形成环,以及它们的盐和酯。