2-nitrogen heterocycloalkylthio-2-penem-3-carboxylic acid compounds of the formula
or a pharmaceutically acceptable salt thereof, wherein: R is
X is imidazolyl, 1,2,3-triazolyl, 1,2,4-triazolyl ortetrazolyl;
R1 is hydrogen or alkyl having 1-4 carbon atoms;
R2 is hydrogen or a group which forms an ester which is hydrolyzed in vivo; and
alk is alkylene having 1-4 carbon atoms.
are useful as antibacterials for treating mammals.
式中的 2-氮杂环烷
硫基-2-烯-3-
羧酸化合物
或其药学上可接受的盐,其中R 是
X 是
咪唑基、
1,2,3-三唑基、
1,2,4-三唑基或
四唑基;
R1 是氢或具有 1-4 个碳原子的烷基;
R2 是氢或可形成在体内
水解的酯的基团;以及
烷是具有 1-4 个碳原子的亚烷基。
这些化合物是治疗哺乳动物的抗菌剂。