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    • 5. 发明授权
    • 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds having
antihypoxic and nootropic effects
    • 具有抗缺氧和诱导作用的2-(2,3-二氢-2-氧代-3-苯并呋喃基)乙酸化合物
    • US4859700A
    • 1989-08-22
    • US155352
    • 1988-02-12
    • Gilbert LavielleJean Lepagnol
    • Gilbert LavielleJean Lepagnol
    • A61K31/34A61K31/343A61K31/415A61P3/00A61P25/28C07D307/83C07D405/06C07D405/12C07D407/12
    • C07D405/12C07D307/83C07D407/12
    • The invention relates to new 2-(2,3-dihydro-2-oxo-3-benzofuranyl)acetic acid compounds of general formula I: ##STR1## in which: R.sub.1 denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms or a phenyl radical optionally substituted with a halogen atom or with an alkoxy radical containing 1 to 4 carbon atoms or an alkyl radical having 1 to 4 carbon atoms,R.sub.2 denotes a hydrogen or halogen atom, a hydroxyl radical, an alkyl radical having 1 to 4 carbon atoms or an alkoxy radical containing 1 to 4 carbon atoms,R denotes a hydroxyl radical, a linear or branched alkoxy radical having 1 to 4 carbon atoms, a benzyloxy radical or a radical of general formula A: ##STR2## in which: X and Y, which may be identical or different, each denote a linear or branched alkyl radical containing 1 to 5 carbon atoms, a radical of general formula A.sub.1 (CHZ--COOH)--, in which Z denotes a hydrogen atom, a linear or branched alkyl radical having 1 to 4 carbon atoms, a hydroxyalkyl radical having 1 to 4 carbon atoms, a 4-imidazolylmethylene radical or a benzyl radical optionally substituted with an alkyl radical having 1 to 4 carbon atoms or with a hydroxyl radical; a radical of general formula A.sub.2 (CH.sub.2 W)- in which W denotes a linear or branches dialkylaminomethylene radical having 3 to 9 carbon atoms, a 2-pyrrolidinyl radical optionally substituted with an alkyl radical having 1 to 4 carbon atoms, a benzyl radical, a 1-isochromanyl radical or a 1-isoquinolyl radical, or form, together with the nitrogen to which they are attached, a 2-carboxy-2-pyrrolidinyl radical, a 4-morpholinyl radical, a piperidino radical optionally substituted with a phenyl radical or with an alkoxyphenyl radical having 7 to 10 carbon atoms, or a 1-piperazinyl radical. Medicinal products.
    • 本发明涉及通式I的新的2-(2,3-二氢-2-氧代-3-苯并呋喃基)乙酸化合物:其中:R 1表示氢原子,直链或支链烷基 具有1至4个碳原子的基团或任选被卤素原子或含有1至4个碳原子的烷氧基或具有1至4个碳原子的烷基的苯基,R 2表示氢或卤素原子,羟基 ,具有1至4个碳原子的烷基或含有1至4个碳原子的烷氧基,R表示羟基,具有1至4个碳原子的直链或支链烷氧基,苄氧基或通式A的基团 (A)其中:X和Y可以相同或不同,各自表示含有1至5个碳原子的直链或支链烷基,通式A1(CHZ-COOH) - 的基团,在 其中Z表示氢原子,具有1至4个碳原子的直链或支链烷基,羟烷基 具有1至4个碳原子的基团,4-咪唑基亚甲基或任选被具有1至4个碳原子的烷基或羟基自由基取代的苄基; 通式A2(CH2W)的基团,其中W表示具有3至9个碳原子的直链或支链二烷基氨基亚甲基,任选被具有1至4个碳原子的烷基取代的2-吡咯烷基,苄基, 或与其连接的氮一起形成2-羧基-2-吡咯烷基,4-吗啉基,任选被苯基取代的哌啶子基或 具有7至10个碳原子的烷氧基苯基或1-哌嗪基。 药用产品。