申请人:Beecham Group p.l.c.
公开号:US04678782A1
公开(公告)日:1987-07-07
A monocyclic .beta.-lactam antibiotic having a formamido substitutent 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.
一种单环.beta.-内酰胺抗生素,在3S位点具有甲酰胺基取代基,包括式(I)的化合物:##STR1##及其盐,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;##STR2##其中Z代表C.sub.1-6烷基或芳基;##STR3##其中Z.sup.1和Z.sup.2可以相同或不同,每个代表氢,C.sub.1-6烷基,芳基,氨基或C.sub.1-6烷氧基,或Z.sup.1和Z.sup.2一起形成杂环环的残基;--OSO.sub.3 H;或##STR4##其中X为氢或羟基;R.sup.1是氨基,保护氨基或羧酸酰胺基团,R.sup.2和R.sup.3分别选自1到18个碳原子的氢或烃基团。