申请人:ADIR Et Cie
公开号:US04885299A1
公开(公告)日:1989-12-05
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 branched 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-piperazinly radical.
该发明涉及一种新的2-(2,3-二氢-2-氧代-3-苯并呋喃基)乙酸化合物,其一般式为I:##STR1## 其中:R.sub.1表示氢原子,具有1至4个碳原子的线性或支链烷基或苯基,该苯基可选用含有1至4个碳原子的卤素基或烷氧基或具有1至4个碳原子的烷基进行取代;R.sub.2表示氢原子或卤素原子、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个碳原子的线性或支链烷氧基、苄氧基或一般式A的基团:##STR2## 其中:X和Y,可以相同或不同,分别表示含有1至5个碳原子的线性或支链烷基、一般式A.sub.1(CHZ--COOH)--的基团,其中Z表示氢原子、具有1至4个碳原子的线性或支链烷基、具有1至4个碳原子的羟基烷基、4-咪唑基亚甲基基团或可选用具有1至4个碳原子的烷基或羟基进行取代的苄基基团;一般式A.sub.2(CH.sub.2W)--的基团,其中W表示具有3至9个碳原子的线性或支链二烷基氨基甲基基团、可选用具有1至4个碳原子的烷基进行取代的2-吡咯烷基团、苄基、1-异色烷基或1-异喹啉基团,或者与它们所连接的氮原子形成2-羧基-2-吡咯烷基团、4-吗啉基团、可选用具有7至10个碳原子的苯基或烷氧基苯基进行取代的哌啶基团,或1-哌嗪基团。