O-Substituted oximinocephalosporins represented by the formula
wherein R is a 5-membered or 6-membered heterocycle, preferably amino-substituted, e.g., 2-aminothiazol-4-yl, R1 is an arylalkyl, aryloxyalkyl, or arylthioalkyl group, especially substituted benzyl; R2 is a 1,2,4-triazin-3-yl thio group; and M is a salt or a biologically labile ester group; are potent antibacterial agents. Also provided are antibiotic formulations of said compounds and a method for treating infectious diseases in man or other animals comprising the administration of said compounds.
O-取代的氧亚
氨基
头孢菌素由式表示,其中 R 是 5 元或 6 元杂环,最好是
氨基取代的,如
2-氨基噻唑-4-基,R1 是芳烷基、芳氧基烷基或芳
硫代烷基,特别是取代的苄基;R2 是 1,2,4-三嗪-3-基
硫代基团;M 是盐或
生物易变酯基;这些化合物是强效抗菌剂。 还提供了所述化合物的抗生素制剂和一种治疗人类或其他动物感染性疾病的方法,包括施用所述化合物。