摘要:
α(Pyridonecarbonylamino)-α- substituted acetamido penicillins and -cephalosporins, process for their preparation, their use in pharmaceuticals and pyridones used in the process. The compounds are of formula 1: in which X is The pyridines of formulas IV and VI are also described:
摘要翻译:α(吡啶羰基氨基)-α-取代的乙酰氨基青霉素和头孢菌素,其制备方法,它们用于本方法中使用的药物和吡啶酮。 化合物是式I化合物:其中X是的化合物式IV和VI的吡啶也描述如下: p