申请人:Meiji Seika Kaisha, Ltd.
公开号:US04113944A1
公开(公告)日:1978-09-12
A cephalosporin compound represented by the formula (I) or (I') ##STR1## wherein R.sup.1 represents a phenyl group, a 2-thienyl group or a phenoxy group; R.sup.2 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms which may be substituted with a phenyl group, an alkoxy group having 1 to 4 carbon atoms or a halogen atom, or a phenyl group which may be substituted with one or two groups selected from the group consisting of a halogen atom, a nitro group, an alkyl group having 1 to 4 carbon atoms and an alkoxy group having 1 to 4 carbon atoms; R.sup.3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms which may be substituted with a monoalkylamino group having 1 to 4 carbon atoms in the alkyl moiety thereof, a dialkylamino group having 1 to 4 carbon atoms in each alkyl moiety thereof, a halogen atom or a phenyl group which may be substituted with one to three groups selected from the group consisting of a halogen atom, a nitro group, an alkyl group having 1 to 4 carbon atoms and an alkoxy group having 1 to 4 carbon atoms; R.sup.4 represents an alkyl group having 1 to 4 carbon atoms; A has up to 15 carbon atoms and represents a straight or branched chain alkylene group, a straight or branched chain alkenylene group, a straight or branched chain alkadienylene group or a phenylene group, and n is 0 or 1; or the salt thereof; and a process for preparing the same.
化合物I或I'的头孢菌素化合物,其中R.sup.1代表苯基、2-噻吩基或苯氧基;R.sup.2代表氢原子、具有1至4个碳原子的烷基基团,该基团可被取代为苯基、具有1至4个碳原子的烷氧基或卤素原子,或苯基,其可被取代为来自卤素原子、硝基基团、具有1至4个碳原子的烷基基团和具有1至4个碳原子的烷氧基中的一种或两种基团;R.sup.3代表氢原子或具有1至4个碳原子的烷基基团,该基团可被取代为烷基氨基基团,该烷基氨基基团具有1至4个碳原子,二烷基氨基基团,每个烷基基团中有1至4个碳原子,卤素原子或苯基,其可被取代为来自卤素原子、硝基基团、具有1至4个碳原子的烷基基团和具有1至4个碳原子的烷氧基中的一种至三种基团;R.sup.4代表具有1至4个碳原子的烷基基团;A含有最多15个碳原子,代表直链或支链烷基基团、直链或支链烯基基团、直链或支链烷二烯基团或苯基团,n为0或1;或其盐;以及制备该化合物的方法。