申请人:Pfizer Inc.
公开号:US04772597A1
公开(公告)日:1988-09-20
Certain 2-azacycloalkylthio-2-penem-3-carboxylic acid compounds are useful as antibacterials for treating mammals and have the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: R is ##STR2## A is alkylene having 2-4 carbon atoms, alkylene having 2-4 carbon atoms wherein a carbon atom has an oxo substituent or alkylene having 2-4 carbon atoms wherein a methylene is replaced by oxygen, S(O).sub.m, or N--R.sub.3 ; B is carbonyl, thiocarbonyl, methylene or imine; R.sub.1 is hydrogen or forms an ester group which is hydroyzed in vivo; R.sub.2 is hydrogen, formyl, alkylcarbonyl, N-alkylaminocarbonyl, N-alkylaminosulfonyl, aminosulfonyl, aminocarbonyl, alkoxycarbonyl having 2-5 carbon atoms, alkylsulfonyl, alkyl, or alkyl substituted by aminocarbonyl, alkyl--S(O).sub.m --, hydroxyl, amino, alkylcarbonylamino, formamido or alkylsulfonylamino, wherein each alkyl has 1-4 carbon atoms; R.sub.3 is hydrogen, methyl, formyl, methylcarbonyl or methylsulfonyl; alk is alkylene having 1-4 carbon atoms; n is zero or one; and m is zero, 1 or 2.
某些2-氮杂环烷硫基-2-青霉烷-3-羧酸化合物可用作治疗哺乳动物的抗菌剂,其化学式为##STR1##或其药学上可接受的盐,其中:R为##STR2##A为具有2-4个碳原子的烷基,具有2-4个碳原子的烷基,其中一个碳原子具有氧代取代基或2-4个碳原子的烷基,其中一个亚甲基被氧原子、S(O).sub.m或N-R.sub.3取代;B为羰基、硫代羰基、亚甲基或亚胺基;R.sub.1为氢或形成在体内水解的酯基;R.sub.2为氢、甲酰基、烷基羰基、N-烷基氨基羰基、N-烷基氨基磺酰基、氨基磺酰基、氨基羰基、具有2-5个碳原子的烷氧基羰基、烷基磺酰基、烷基或烷基被氨基羰基、烷基-S(O).sub.m-、羟基、氨基、烷基羰基氨基、甲酰胺基或烷基磺酰胺基,其中每个烷基具有1-4个碳原子;R.sub.3为氢、甲基、甲酰基、甲基羰基或甲基磺酰基;alk为具有1-4个碳原子的烷基;n为零或一;m为零、1或2。