摘要:
The present invention provides a compound of the formula: ##STR1## or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof wherein:A is a group of the formula (IA) or (IB): ##STR2## R.sup.1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R.sup.2 is hydrogen or C.sub.1-4 alkyl;R.sup.3 and R.sup.4 are the same or different and are a variety of substituents X is alkanediyl containing 1-6 carbon atoms optionally interrupted by O, S(O).sub.x (wherein x is zero, one or two), --CONR.sup.5 -- or --NR.sup.5 -- or wherein R.sup.5 is hydrogen or C.sub.1-4 alkyl;or X is alkenediyl containing 1-6 carbon atoms optionally interrupted by O, S(O).sub.x or --NR.sup.5 --.
摘要:
An antibacterial cephalosporin derivative of the formula I: ##STR1## in which X.sup.1 is sulphinyl; R.sup.1 is any one of the C-3 substituents from antibacterially-active cephalosporins known in the art; R.sup.2 is any one of the C-4 substituents from antibacterially-active cephalosporins known in the art; R.sup.3 is hydrogen, 1-6C alkoxy or 1-6C alkylthio; X.sup.2 is nitrogen or a radical N.sup..sym. R.sup.5 ; R.sup.4 and R.sup.5 are a variety of radicals described in the specification; --A-- is of the formula II or III: ##STR2## in which R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10 and R.sup.11 are a variety of substituents described in the specification; and the pharmaceutically-acceptable acid- and base-addition salts thereof. Pharmaceutical compositions and manufacturing processes are also described.
摘要:
A cephalosporin derivative of the formula: ##STR1## in which R.sup.0 is a hydrogen atom or a methyl radical, R.sup.1 is any one of the C-3 substituents from antibacterially-active cephalosporins known in the art; R.sup.2 is any one of the C-4 substituents from antibacterially-active cephalosporins known in the art; R.sup.3 is a hydrogen atom or a 1-6C alkoxy or 1-6C alkylthio radical; X.sup.1 is a sulphur or oxygen atom, a CH.sub.2 radical or a radical of the formula NR.sup.7 in which R.sup.7 is a hydrogen atom, a 1-6C alkyl, formyl or benzyl radical; X.sup.2 is a nitrogen atom or a radical of the formula N.sup..sym. -R.sup.7 ; R.sup.4 and R.sup.7, and R.sup.5 and R.sup.6 are a variety of substituents which are described in the specification; and the pharmaceutically-acceptable acid- or base-addition salts thereof. Pharmaceutical compositions, manufacturing processes and intermediates are also described.
摘要翻译:下式的头孢菌素衍生物:其中R 0是氢原子或甲基,R1是本领域已知的来自抗菌活性头孢菌素的任何一个C-3取代基; R2是本领域已知的来自抗菌活性头孢菌素的C-4取代基中的任何一个; R3是氢原子或1-6C烷氧基或1-6C烷硫基; X1是硫或氧原子,CH2基或式NR7的基团,其中R7是氢原子,1-6C烷基,甲酰基或苄基; X 2是氮原子或式N(+) - R 7的基团; R4和R7以及R5和R6是说明书中描述的各种取代基; 及其药学上可接受的酸或碱加成盐。 还描述了药物组合物,制造方法和中间体。
摘要:
A penicillin derivative of the formula I: ##STR1## in which R.sup.1 is any one of the C-3 substituents from antibacterially-active penicillins known in the art;X is a nitrogen atom or a radical of the formula N.sup..sym. --R.sup.3 ;R.sup.2 and R.sup.3, which may be the same or different, are hydrogen atoms or 1-6C alkyl, 1-6C alkanoyl, hydroxy, 1-6C alkoxy, amino, 1-6C alkanoylamino, 1-6C alkylamino, 1-6C aminoalkyl, 1-6C hydroxyalkyl, 2-6C carboxyalkyl, 2-6C alkenyl, 3-6C alkoxyalkyl, 3-8C alkoxycarbonylalkyl, furylmethyl, phenyl or 7-11C phenylalkyl radicals, in the latter two of which the phenyl ring is optionally substituted by a halogen atom or by a methyl, methoxy, nitro, hydroxy, amino, carboxy or methoxy-carbonyl radical;A
摘要:
6-Fluoroshikimic acid derivatives of the formula (I): ##STR1## wherein R.sup.1 is hydroxy or a moiety biotransformable thereto and R.sup.2 is hydrogen or --P(O)(OH).sub.2 have antibacterial, antifungal, and herbicidal activity. Their preparation and use are described as are pharmaceutical compositions containing them.
摘要:
The present invention relates to carbapenems and provides a compound of the formula (I): ##STR1## or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof wherein:R.sup.1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl;R.sup.2 is hydrogen or C.sub.1-4 alkyl;R.sup.3 is hydrogen or C.sub.1-4 alkyl;R.sup.4 and R.sup.5 are the same or different and are selected from hydrogen, halo, cyano, C.sub.1-4 alkyl, nitro, hydroxy, carboxy, C.sub.1-4 alkoxy, C.sub.1-4 alkoxycarbonyl, aminosulphonyl, C.sub.1-4 alkylaminosulphonyl, di-C.sub.1-4 alkylaminosulphonyl, carbamoyl, C.sub.1-4 alkylcarbamoyl, di-C.sub.1-4 alkylcarbamoyl, trifluoromethyl, sulphonic acid, amino, C.sub.1-4 alkylamino, di-C.sub.1-4 alkylamino, C.sub.1-4 alkanoylamino, C.sub.1-4 alkanoyl(N-C.sub.1-4 alkyl)amino, C.sub.1-4 alkanesulphonamido and C.sub.1-4 alkylS(O).sub.n -- wherein n is zero, one or two:with the proviso that there is no hydroxy or carboxy substituent in a position ortho to the --NR.sup.2 --. Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.
摘要:
6-Fluoroshikimic acid derivatives of the formula (I): ##STR1## wherein R.sup.1 is hydroxy or a moiety biotransformable thereto and R.sup.2 is hydrogen or --P(O)(OH).sub.2 have antibacterial, antifungal and herbicidal activity. Their preparation and use are described as are pharmaceutical compositions containing them.
摘要:
Cephalosporin antibiotics having a 3-position substituent of the formula:--CH.sub.2 NR.sup.1 --Y--A--Z--Qare described, wherein R.sup.1 is hydrogen or certain optionally substituted alkyl groups; Y is --CO-- or --SO.sub.2 --; A is optionally substituted phenylene or heterocyclylene; Z is a linking group and Q is a catechol or related ring system. Processes for their preparation and use are described.
摘要:
Cephalosporin antibiotics having a 3-position substituent of the formula:--CH.sub.2 NR.sup.1 --Y--A--Z--Qare described, wherein R.sup.1 is hydrogen or certain optionally substituted alkyl groups; Y is --CO-- or --SO.sub.2 --; A is optionally substituted phenylene or heterocyclylene; Z is a linking group and Q is a catechol or related ring system. Processes for their preparation and use are described.
摘要:
An antibacterial cephalosporin derivative of the formula I: ##STR1## in which X.sup.1 is sulphur, oxygen, sulphinyl or sulphonyl; R.sup.1 is a variety of radicals defined in the specification; R.sup.2 is any one of the C-4 substituents from antibacterially-active cephalosporins known in the art; R.sup.3 is hydrogen or methoxy; X.sup.2 is nitrogen or a radical N.sup..sym. R.sup.8 ; R.sup.4 and R.sup.8 are a variety of radicals described in the specification; --A-- is of the formula V or VI: ##STR2## in which R.sup.9, R.sup.10, R.sup.11, R.sup.12, R.sup.13 and R.sup.14 are a variety of substituents described in the specification; and the pharmaceutically-acceptable acid- and base-addition salts thereof. Pharmaceutical compositions and manufacturing processes are also described.