申请人:Sankyo Company, Limited
公开号:US04771046A1
公开(公告)日:1988-09-13
Carbapenem derivatives useful as antibacterial agents have the formula ##STR1## wherein: X represents a hydrogen atom or a methyl group; and Y represents a group of the formula: ##STR2## in which: Z represents an oxygen atom or two hydrogen atoms; R.sup.1 represents a hydrogen atom, a C.sub.1-4 alkyl group, a C.sub.1-4 alkanoyl group, or a C.sub.1-4 alkanesulfonyl group; R.sup.2 represents a hydrogen atom or a hydroxy group, and R.sup.3 represents a carbamoyl group; or R.sup.2 represents a carbamoyloxy group, and R.sup.3 represents a hydrogen atom or a carbamoyl group; R.sup.4 represents a hydrogen atom or a C.sub.1-4 alkyl group; and ##STR3## represents a 4-6 membered saturated heterocyclic group in which the indicated nitrogen atom is the only hetero-atom; or a pharmaceutically acceptable salt or ester thereof.
作为抗菌剂有用的碳青霉烯衍生物具有以下结构式:X代表氢原子或甲基基团;Y代表以下结构式的一个基团:其中:Z代表氧原子或两个氢原子;R.sup.1代表氢原子、C.sub.1-4烷基基团、C.sub.1-4烷酰基基团或C.sub.1-4烷基磺酰基基团;R.sup.2代表氢原子或羟基,R.sup.3代表羰基基团;或者R.sup.2代表羰氧基基团,R.sup.3代表氢原子或羰基基团;R.sup.4代表氢原子或C.sub.1-4烷基基团;以及代表4-6个成员的饱和杂环基团,其中所示的氮原子是唯一的杂原子;或其药用盐或酯。