申请人:PFIZER INC.
公开号:EP0138539A1
公开(公告)日:1985-04-24
Certain 2-azacycloalkylthio-2-penem-3-carboxylic acid compounds are useful as antibacterials for treating mammals and have the formula
or a pharmaceutically acceptable salt thereof, wherein:
Ris
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)m, or N-R3;
B is carbonyl, thiocarbonyl, methylene or imine;
R is hydrogen or forms an ester group which is hydroyzed in vivo;
R2 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)m-, hydroxyl, amino, alkylcarbonylamino, formamido or alkylsulfonylamino, wherein each alkyl has 1-4 carbon atoms;
R3 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-烯-3-羧酸化合物可用作治疗哺乳动物的抗菌剂,其分子式为
或其药学上可接受的盐,其中
Ris
A 是具有 2-4 个碳原子的亚烷基、具有 2-4 个碳原子的亚烷基(其中一个碳原子具有氧代 基)或具有 2-4 个碳原子的亚烷基(其中一个亚甲基被氧、S(O)m 或 N-R3 取代);
B 是羰基、硫代羰基、亚甲基或亚胺;
R 是氢或形成在体内水解的酯基;
R2 是氢、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 个碳原子的烷氧羰基、烷基磺酰基、烷基或被氨基羰基、烷基-S(O)m-、羟基、氨基、烷基羰基氨基、甲酰氨基或烷基磺酰氨基取代的烷基,其中每个烷基具有 1-4 个碳原子;
R3 是氢、甲基、甲酰基、甲基羰基或甲磺酰基;
烷基是具有 1-4 个碳原子的亚烷基;
n 为零或 1;以及
m 为零、1 或 2。