Beta-lactam-containing compounds, their preparation and pharmaceutical compositions containing them
申请人:BEECHAM GROUP PLC
公开号:EP0008497A1
公开(公告)日:1980-03-05
The compounds of the formula (II):
wherein R, is a group such that C02R, is a carboxylic acid group or a salt or ester thereof; R2 is a group of the sub-formula (a) or (b):
wherein R4 is a hydrogen atom or a lower alkyl group; R5 is a hydrogen atom or a lower alkyl group; R6 is a lower alkyl, phenyl, fluorophenyl, chlorophenyl, bromophenyl or benzyl group; and n is 1 or 2; R7 is a hydrogen or a lower alkyl group; R is a hydrogen atom or a lower alkyl group; R9 is a hydrogen atom or a lower alkyl or phenyl group; R3 is a group of the sub-formula (c):
wherein R10 is a hydrogen atom or a hydroxyl or O.CO.R13 or O.CO.OR13 group where R13 is a lower alkyl, phenyl, benzyl, fluorobenzyl, chlorobenzyl, bromobenzyl, lower alkoxybenzyl or nitrobenzyl group; R11 is a hydrogen atom or a lower alkyl group; R12 is a hydrogen atom or a lower alkyl group; said compounds being in the form of R,S-mixture at C-5: are antibacterial agents. Their use and a process for their preparation is described.
式(II)化合物:
其中 R 是一个基团,使得 C02R 是一个羧酸基团或其盐或酯;R2 是一个子式(a)或(b)的基团:
其中 R4 是氢原子或低级烷基; R5 是氢原子或低级烷基; R6 是低级烷基、苯基、氟苯基、氯苯基、溴苯基或苄基;且 n 是 1 或 2; R7 是氢原子或低级烷基; R 是氢原子或低级烷基; R9 是氢原子或低级烷基或苯基; R3 是亚式(c)的基团:
其中 R10 是氢原子或羟基或 O.CO.R13 或 O.CO.OR13 基团,其中 R13 是低级烷基、苯基、苄基、氟苄基、氯苄基、溴苄基、低级烷氧基苄基或硝基苄基;R11 是氢原子或低级烷基;R12 是氢原子或低级烷基;所述化合物在 C-5 处为 R、S 混合物形式:是抗菌剂。描述了它们的用途和制备过程。