申请人:Beecham Group p.l.c.
公开号:US04647558A1
公开(公告)日:1987-03-03
A monocyclic .beta.-lactam antibiotic having a formamido substituent at the 3S-position, including compounds of the formula (I): ##STR1## and salts thereof wherein R is --SO.sub.3 H; --PO(OH)Y wherein Y is C.sub.1-6 alkoxy, hydroxy, aryloxy, C.sub.1-6 alkyl or aryl; ##STR2## wherein Z represents C.sub.1-6 alkyl or aryl; ##STR3## wherein Z.sup.1 and Z.sup.2 may be the same or different and each represents hydrogen, C.sub.1-6 alkyl, aryl, amino or C.sub.1-6 alkoxy, or Z.sup.1 and Z.sup.2 together form the residue of a heterocyclic ring; --OSO.sub.3 H; or ##STR4## where X is hydrogen or hydroxy; R.sup.1 is an amino, protected amino or carboxylic acylamino group, and R.sup.2 and R.sup.3 are independently selected from hydrogen or a hydrocarbon group of 1 to 18 carbon atoms.
一种在3S位置上具有甲酰氨基取代基的单环β-内酰胺类抗生素,包括以下化合物的结构(I):其中R为--SO.sub.3 H;--PO(OH)Y,其中Y为C.sub.1-6烷氧基、羟基、芳氧基、C.sub.1-6烷基或芳基;其中Z代表C.sub.1-6烷基或芳基;其中Z.sup.1和Z.sup.2可以相同也可以不同,每个代表氢、C.sub.1-6烷基、芳基、氨基或C.sub.1-6烷氧基,或者Z.sup.1和Z.sup.2一起形成杂环环的残基;--OSO.sub.3 H;或其中X为氢或羟基;R.sup.1为氨基、保护氨基或羧酰胺基团,R.sup.2和R.sup.3独立地选自氢或含1至18个碳原子的烃基。