Beta-lactam antibiotics, their preparation, pharmaceutical compositions containing them and their preparation
申请人:BEECHAM GROUP PLC
公开号:EP0024832A1
公开(公告)日:1981-03-11
The compounds of the formula:
and pharmaceutically acceptable salts and in-vivo hydrolysable esters thereof wherein R' is a hydrogen atom or a group selected from OH, OSO3H or a pharmaceutically acceptable salt or C1-4 alkyl ester thereof, OR2, SR3, OCOR2, OCO2R3 or OCONHR3, where R2 is a C1-6 alkyl group or an optionally substituted benzyl group and R3 is a C1-6 alkyl group or an optionally substituted benzyl or an optionally substituted phenyl group; and R22 is a hydrogen atom, C1-6 alkyl, C2-6 alkenyl, C3-6 alkynyl wherein the triple bond is not present on the carbon adjacent to the sulphur atom, aralkyl, C1-6 alkanoyl, aralkanoyl, aryloxyalkanoyl or arylcarbonyl, any of such R22 groups being optionally substituted; with the proviso that when R22 is 2-aminoethyl R' must be SR3 or OSOaH or a pharmaceutically acceptable salt or C1-4 alkyl ester thereof; have been found to be antibacterially active. Their use is described as are processes for their preparation.
式中的化合物:
及其药学上可接受的盐和体内可水解的酯 其中 R' 是氢原子或选自 OH、OSO3H 或其药学上可接受的盐或 C1-4 烷基酯、OR2、SR3、OCOR2、OCO2R3 或 OCONHR3 的基团,其中 R2 是 C1-6 烷基或任选取代的苄基,R3 是 C1-6 烷基或任选取代的苄基或任选取代的苯基;R22是氢原子、C1-6烷基、C2-6烯基、C3-6炔基(其中与硫原子相邻的碳上不存在三键)、芳烷基、C1-6烷酰基、芳烷酰基、芳氧基烷酰基或芳羰基,其中任何一个R22基团均可任选取代;但当R22是2-氨基乙基时,R'必须是SR3或OSOaH或其药学上可接受的盐或C1-4烷基酯。本文介绍了它们的用途及其制备工艺。