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    • 2. 发明授权
    • Heterocyclic hydrazide derivatives of monocyclic .beta.-lactam
antibiotics
    • 单环β-内酰胺抗生素的杂环酰肼衍生物
    • US5318963A
    • 1994-06-07
    • US620170
    • 1990-11-30
    • Peter H. ErmannHenner Straub
    • Peter H. ErmannHenner Straub
    • A61K31/425A61K31/47A61K31/495A61P31/04C07D417/14C07D205/085
    • C07D417/14
    • Antibacterial activity has been found in compounds of the formula.Compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein: A is a bond or alkylene;Q completes a 5- or 6-membered saturated or unsaturated (including aromatic) heterocyclic ring having one or two, heteroatoms in the ring selected from nitrogen, ##STR2## sulfur or oxygen; X is attached to an available carbon atom in the heterocyclic ring and is hydrogen or oxo;Y is attached to an available carbon atom in the heterocyclic ring and is hydrogen, amino, hydroxyl, halogen, carboxamide, nitrile, or carboxyl, except that Y is not carboxyl when the bicyclic ring completed by Q is 2-quinolyl, 3-quinolyl, or quinoxalyl;and the remaining symbols are as defined in the specification.
    • 已经在式的化合物中发现了抗菌活性。 具有式I的化合物及其药学上可接受的盐,其中:A是键或亚烷基; Q完成在选自氮,硫或氧的环中具有一个或两个杂原子的5-或6-元饱和或不饱和(包括芳族)杂环; X连接到杂环中的可用碳原子上并且是氢或氧代; Y连接到杂环中的可用碳原子,并且是氢,氨基,羟基,卤素,甲酰胺,腈或羧基,不同之处在于当Q被Q为双喹啉基时,Y不为羧基,3-喹啉基 ,或喹喔啉; 其余符号如说明书中所定义。