| 摘要 |
Cephalosporins of the formula <IMAGE> their pharmaceutically-acceptable, nontoxic salts, and hydrates thereof are produced, wherein A is hydrogen; unsubstituted or substituted alkyl; aryl; or R1-X-, wherein X is -CO- or -SO2-, and R1 is hydrogen, unsubstituted or substituted alkyl; aryl; thienyl; furyl; amino; alkylamino; dialkylamino; pyrrolidyl; or piperidyl; OR WHEN X is -CO-, R1 can also be alkoxy; B is phenyl, methylphenyl, chlorophenyl, hydroxyphenyl or the moiety <IMAGE> E is hydrogen, hydroxyl or acetoxy; and C is a center of chirality.
|
