申请人:Beecham Group Limited
公开号:US04308259A1
公开(公告)日:1981-12-29
A penicillin of formula (I) or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof: ##STR1## wherein R is C.sub.1-6 alkyl; an optionally substituted 5-membered heterocyclic ring containing one or two heteroatoms selected from oxygen, sulphur and nitrogen; phenyl; mono-substituted phenyl where the substituent is halogen, hydroxy, C.sub.1-6 alkoxy, nitro, amino, C.sub.1-6 alkyl, or C.sub.1-6 haloalkyl, C.sub.1-6 alkylcarbonyloxy, or C.sub.1-6 alkyl sulphonylamino; or di-substituted phenyl where the substituents are selected from hydroxy, halogen, methoxy, acetoxy and amino; and X represents a group of formula: ##STR2## wherein R.sup.1 represents C.sub.1 to C.sub.6 alkyl, or C.sub.1 to C.sub.6 alkoxy. Their preparation and use is described.
公式(I)的青霉素或其药学上可接受的盐或体内水解酯:##STR1##其中R是C.sub.1-6烷基;一个可选取代的含有氧,硫和氮中的一个或两个杂原子的五元杂环;苯基;单取代苯基,其中取代基是卤素,羟基,C.sub.1-6烷氧基,硝基,氨基,C.sub.1-6烷基,或C.sub.1-6卤代烷基,C.sub.1-6烷基羧酸酯,或C.sub.1-6烷基磺酰胺基;或二取代苯基,其中取代基选自羟基,卤素,甲氧基,乙酰氧基和氨基;X表示公式的一个基团:##STR2##其中R.sup.1表示C.sub.1到C.sub.6烷基或C.sub.1到C.sub.6烷氧基。描述了它们的制备和用途。