A dithioacetal carbapenem of the formula ##STR1## in which R.sup.1 is hydrogen or C.sub.1-6 alkyl; n is 0, 1 or 2; R.sup.3 is hydrogen or C.sub.1-6 alkyl; R.sup.2 is C.sub.1-6 alkyl, phenyl optionally substituted with cyano, --CO.sub.2 NH.sub.2, --CH.sub.2 OH, --CH.sub.2 NH.sub.2, --CONHNH.sub.2 or with up to 5 halogen atoms, C.sub.1-6 alkyl or C.sub.1-6 alkyloxy groups, phenylmethyl optionally substituted with up to 5 halogen atoms, C.sub.1-6 alkyl or C.sub.1-6 alkyloxy groups on the phenyl ring, or a radical represented by the formula --(CH.sub.2).sub.p --X in which p is 0 or 1; X is five-membered aromatic heterocyclic ring containing up to 1 sulfur, 1 oxygen or 4 nitrogen atoms, optionally substituted with a C.sub.1-6 alkyl group, or six-membered aromatic heterocylic ring containing up to 4 nitrogen atoms, optionally substituted with a C.sub.1-6 alkyl group. or a non-toxic pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.
这是一种二
硫代缩
醛类碳青霉烯,其
化学式为##STR1##其中,R.sup.1是氢或C.sub.1-6烷基;n为0、1或2;R.sup.3是氢或C.sub.1-6烷基;R.sup.2是C.sub.1-6烷基、苯基,该苯基可选用
氰基、--CO.sub.2 NH.sub.2、--CH.sub.2 OH、--CH.sub.2 NH.sub.2、--CONHNH.sub.2或含有最多5个卤素原子、C.sub.1-6烷基或C.sub.1-6烷氧基的苯甲基,在苯环上可选用最多5个卤素原子、C.sub.1-6烷基或C.sub.1-6烷氧基,或由式--(CH.sub.2).sub.p --X表示的基团,其中p为0或1;X是含有最多1个
硫、1个氧或4个氮原子的五元芳香杂环,该芳香杂环可选用C.sub.1-6烷基取代,或含有最多4个氮原子的六元芳香杂环,该芳香杂环可选用C.sub.1-6烷基取代;或其无毒的药用可接受盐、生理可
水解酯或其溶剂。