申请人:Zeneca Limited
公开号:US05607928A1
公开(公告)日:1997-03-04
The present invention relates to carbapenems and provides a compound of the formula (I) ##STR1## wherein R.sup.1 is hydroxymethyl, 1-hydroxyethyl or 1-fluoroethyl; R.sup.2 is hydrogen or C.sub.1-4 alkyl; X.sup.1 is oxygen or sulphur; and A is of the formula ##STR2## which is optionally substituted on either ring and wherein B is of the formula --CH.sub.2 --C(.dbd.O)--(CH.sub.2)n--, --C(.dbd.O)--(CH.sub.2).sub.n1 --, --C(.dbd.O)--CH.dbd.CH--X.sup.2 --, --C(.dbd.O)CH.sub.2 CH.sub.2 X.sup.2 --, --(CH.sub.2).sub.n C(.dbd.O)NH-- or --CH.dbd.CHC(.dbd.O)NH-- wherein n is 1 or 2, n.sup.1 is 2 or 3 and X.sup.2 is NH, O or S; and a pharmaceutically acceptable salt or an in vivo hydrolysable ester thereof, processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.
本发明涉及碳青霉烯类药物,并提供了式(I)的化合物
其中R.sup.1为羟甲基、1-羟乙基或1-氟乙基;R.sup.2为氢或C.sub.1-4烷基;X.sup.1为氧或硫;A为式的化合物
在任一环上可选择性地取代,其中B为式--CH.sub.2--C(.dbd.O)--(CH.sub.2)n--,--C(.dbd.O)--(CH.sub.2).sub.n1--,--C(.dbd.O)--CH.dbd.CH--X.sup.2--,--C(.dbd.O)CH.sub.2CH.sub.2X.sup.2--,--(CH.sub.2).sub.nC(.dbd.O)NH--或--CH.dbd.CHC(.dbd.O)NH--其中n为1或2,n.sup.1为2或3,X.sup.2为NH、O或S;以及其药学上可接受的盐或体内可水解的酯,其制备方法,制备中间体,作为治疗剂的用途以及含有它们的药物组合物。