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.
本发明涉及以下式的化合物:其中 R.sup.1 是从羧酸、氢或氨基保护基衍生的酰基;R.sup.2 是氢、羟基、较低烷基-Q.sub.p-、环烷基、较低烷氧基、较低烯基、环烯基、较低炔基、芳基烷基-Q.sub.p-、芳基-Q.sub.p-、芳氧基、芳基烷氧基或杂环环,其中较低烷基、环烷基、较低烷氧基、较低烯基、环烯基、较低炔基、芳基烷基、芳基、芳氧基、芳基烷氧基和杂环环未取代或取代至少一个羧基、氨基、硝基、氧代、环烷基、氰基、较低烷基、较低烷氧基、羟基、卤素、--CONR.sup.4R.sup.5、--N(R.sup.5)COOR.sup.9、R.sup.5CO--、R.sup.5OCO--或R.sup.5COO--中选择的至少一个基团;其中 R.sup.4 是氢、较低烷基或环烷基;R.sup.5 是氢或较低烷基;R.sup.9 是较低烷基、较低烯基或羧酸保护基;Q 是--CO--或--SO.sub.2--;m 为 0 或 1;n 为 0、1 或 2;p 为 0 或 1;以及这些化合物的易水解酯、药用上可接受的盐以及公式 I 中的化合物及其酯和盐的水合物。这些化合物可用作口服或静脉注射抗生素,对广谱生物有作用。