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    • 4. 发明授权
    • 2-(4H-1-Benzopyran-6-yl)propionic acids
    • 2-(4H-1-苯并吡喃-6-基)丙酸
    • US4151179A
    • 1979-04-24
    • US712603
    • 1976-08-09
    • Richard A. AppletonKevan Brown
    • Richard A. AppletonKevan Brown
    • C07C41/26C07C43/23C07C45/54C07D311/22A61K31/35
    • C07D311/22C07C41/26C07C45/54Y10S514/825Y10S514/87
    • There are described compounds of formula I, ##STR1## in which Ra is hydrogen, alkyl, alkenyl or phenyl, R.sub.3, R.sub.5, R.sub.7 and R.sub.8, which may be the same or different, are each hydrogen, alkyl, alkoxy, halogen, hydroxy, alkenyl or phenyl,Rx is hydrogen or alkyl,Ry and Rz are both hydrogen, or together represent a carbonyl oxygen atom,Rb and Rc are both hydrogen or together represent a carbon-carbon bond,Provided that when Rx is hydrogen, Ry and Rz together represent a carbonyl oxygen atom and R.sub.5, R.sub.7 and R.sub.8 are all hydrogen then Ra is other than methyl or phenyl,And pharmaceutically acceptable derivatives thereof.There are also described methods for making the compounds and pharmaceutical, e.g. anti-inflammatory, compositions containing the compounds.
    • 描述了式I的化合物,其中R a是氢,烷基,烯基或苯基,R 3,R 5,R 7和R 8可以相同或不同,各自为氢,烷基,烷氧基,卤素, 羟基,烯基或苯基,Rx是氢或烷基,R y和R z都是氢或一起代表羰基氧原子,R b和R c都是氢或一起代表碳 - 碳键,当Rx是氢时,Ry 并且Rz一起表示羰基氧原子,R 5,R 7和R 8均为氢,则R a不是甲基或苯基,并且其药学上可接受的衍生物。
    • 5. 发明授权
    • 3,4-Dihydro-3-oxopyrido[2,3-b]-pyrazines, compositions and use thereof
    • 3,4-二氢-3-氧代吡啶并[2,3-b] - 吡嗪的组合物及其用途
    • US4296114A
    • 1981-10-20
    • US63357
    • 1979-08-02
    • Richard A. AppletonDavid Johnston
    • Richard A. AppletonDavid Johnston
    • C07D241/44C07D471/04A61K31/495A61K31/535C07D471/08
    • C07D471/04C07D241/44
    • There are described compounds of formula I, ##STR1## in which R.sub.1 is phenyl substituted by halogen, alkoxy, alkyl, carboxy-alkyl, --NR.sub.4 R.sub.5, carboxy or alkoxy carbonyl,R.sub.3 is hydrogen, alkyl, mono- or di-carboxy alkyl, halo, alkoxy, phenyl, halo-phenyl, hydroxy, phenoxy, thiol, thioalkoxy, thiophenoxy, --NR.sub.4 R.sub.5, cyano, --COOH, carboxyureido, --CF.sub.3, --COR.sub.6, hydroxyalkyl, aminoalkyl, or alkoxy substituted by NR.sub.4 R.sub.5,ring A is a benzene or a pyridine ring which optionally carries up to 4 substituents R.sub.3, which may be the same or different,R.sub.4 and R.sub.5, which may be the same or different, each represent hydrogen, phenyl, halophenyl or alkyl, the alkyl optionally being substituted by alkoxy or by a mono- or di-alkyl or unsubstituted amino group; or R.sub.4 and R.sub.5, together with the nitrogen atom to which they are attached, form a piperidine, morpholine or an optionally alkyl substituted piperazine ring, andR.sub.6 is hydrogen or alkyl,provided that (i) when R.sub.1 is phenyl substituted by chlorine or bromine, ring A is not a benzene ring substituted by chlorine or bromine, or (ii) when R.sub.1 is phenyl substituted by methoxy R.sub.3 is not phenyl, and pharmaceutically acceptable salts, esters and amides thereof.There are also described methods for making the compounds and pharmaceutical, e.g. anti-inflammatory, compositions containing the compounds.
    • 描述了式I的化合物,其中R 1是被卤素,烷氧基,烷基,羧基 - 烷基,-NR 4 R 5,羧基或烷氧基羰基取代的苯基,R 3是氢,烷基,单 - 或二 - 羧基烷基, 卤素,烷氧基,苯基,卤代苯基,羟基,苯氧基,硫醇,硫代烷氧基,硫代苯氧基,-NR4R5,氰基,-COOH,羧基脲基,-CF3,-COR6,羟基烷基,氨基烷基或被NR4R5取代的烷氧基, 苯或吡啶环,其任选地带有至多4个可以相同或不同的取代基R 3,R 4和R 5可以相同或不同,各自表示氢,苯基,卤代苯基或烷基,所述烷基任选被 烷氧基或被一或二烷基或未取代的氨基取代; 或R 4和R 5与它们所连接的氮原子一起形成哌啶,吗啉或任选的烷基取代的哌嗪环,并且R 6是氢或烷基,条件是(ⅰ)当R 1是被氯或溴取代的苯基时 环A不是被氯或溴取代的苯环,或(ii)当R 1是被甲氧基取代的苯基不是苯基时,及其药学上可接受的盐,酯和酰胺。 还描述了制备化合物和药物的方法。 抗炎剂,含有这些化合物的组合物。