申请人:Hoffmann-La Roche Inc.
公开号:US05523400A1
公开(公告)日:1996-06-04
The present invention relates to compounds of the formula ##STR1## wherein R.sup.1 is an acyl group derived from a carboxylic acid, hydrogen, or an amino protecting group; R.sup.2 is hydrogen, hydroxy, lower alkyl-Q.sub.p -, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl-Q.sub.p -, aryl-Q.sub.p -, aryloxy, aralkoxy or a heterocyclic ring, the lower alkyl, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl, aryl, aryloxy, aralkoxy and the heterocyclic ring being unsubstituted or substituted with at least one group selected from carboxy, amino, nitro, oxo, cycloalkyl, cyano, lower alkyl, lower alkoxy, hydroxy, halogen, --CONR.sup.4 R.sup.5, --N(R.sup.5)COOR.sup.9, R.sup.5 CO--, R.sup.5 OCO-- or R.sup.5 COO-- where R.sup.4 is hydrogen, lower alkyl, or cycloalkyl; R.sup.5 is hydrogen or lower alkyl; R.sup.9 is lower alkyl, lower alkenyl or a carboxylic acid protecting group; Q is --CO-- or --SO.sub.2 --; m is 0 or 1; n is 0, 1 or 2; p is 0 or 1; as well as readily hydrolyzable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts. The compounds are useful as oral or parenteral antibiotics against a broad spectrum of organisms.
本发明涉及式子##STR1##的化合物,其中R.sup.1是来自羧酸的酰基,氢或氨保护基; R.sup.2是氢,羟基,较低的烷基-Q.sub.p-,环烷基,较低的烷氧基,较低的烯基,环烯基,较低的炔基,芳基-Q.sub.p-,芳氧基,芳基烷氧基或杂环,其中较低的烷基,环烷基,较低的烷氧基,较低的烯基,环烯基,较低的炔基,芳基烷基,芳基,芳氧基,芳基烷氧基和杂环未取代或取代至少一个羧基,氨基,硝基,氧代,环烷基,氰基,较低的烷基,较低的烷氧基,羟基,卤素,-CONR.sup.4 R.sup.5,-N(R.sup.5)COOR.sup.9,R.sup.5 CO -,R.sup.5 OCO-或R.sup.5 COO-,其中R.sup.4是氢,较低的烷基或环烷基; R.sup.5是氢或较低的烷基; R.sup.9是较低的烷基,较低的烯基或羧酸保护基; Q是-CO-或-SO.sub.2-; m为0或1; n为0,1或2; p为0或1;以及其容易水解的酯,所述化合物的药学上可接受的盐以及式I的化合物及其酯和盐的水合物。该化合物可用作口服或静脉注射抗生素,对广谱的生物有作用。