申请人:Kyoto Pharmaceutical Industries, Ltd.
公开号:US05389625A1
公开(公告)日:1995-02-14
Cephalosporin compounds of the formula (I) ##STR1## wherein R.sup.1 is hydrogen atom or lower alkyl, and R.sup.2 is 1-alkanoyloxyalkyl or 1-alkoxycarbonyloxyalkyl, their pharmaceutically acceptable salts, methods for producing them, and pharmaceutical use thereof. The cephalosporin compounds and their salts are superior in absorption from digestive tract, and upon absorption from the digestive tract, show a wide range of antimicrobial activities in the body as hydrolysis products, and in addition, they have 10-400 times greater sweetness than sucrose. Thus, said compounds are useful as agents to be administered orally for the prophylaxis and treatment of bacterial infectious diseases.
化合物式为(I)的头孢菌素化合物,其中R.sup.1是氢原子或较低的烷基,R.sup.2是1-烷酰氧基烷基或1-氧羰基氧基烷基,它们的药学上可接受的盐,制备方法及其药用。这些头孢菌素化合物及其盐在从消化道吸收方面具有优越性,并且在从消化道吸收后,作为水解产物在体内显示出广泛的抗微生物活性,并且此外,它们的甜度比蔗糖高10-400倍。因此,这些化合物可用作口服给药剂,用于预防和治疗细菌感染性疾病。