Prodrugs of 6-β-hydroxymethylpenicillanic acid sulfone having the structure wherein R is H or methyl, each X is methylene, and Y is 0, or wherein R is H, each X is 0 and Y is methylene, and solvates thereof are disclosed. Also disclosed are pharmaceutical compositions comprising a prodrug of the present invention, or a solvate thereof, an optional beta-lactam antibiotic and at least one pharmaceutically acceptable carrier. Further disclosed is a method for increasing the therapeutic effectiveness of a beta-lactam antibiotic in 20 a mammal by administering an effective amount of a betalactam antibiotic and an effectiveness-increasing amount of a prodrug of the present invention, or a solvate thereof. Additionally disclosed is a method for treating a bacterial infection in a mammal by administering a therapeutically effective amount of a pharmaceutical composition of the present invention to a mammal in need thereof.
6-β-羟甲基青霉烷酸
磺酸的前药具有以下结构,其中R为H或甲基,每个X为亚甲基,Y为0,或其中R为H,每个X为0,Y为亚甲基,以及其溶剂化合物。还披露了包括本发明的前药或其溶剂化合物、可选的β-内酰胺类抗生素和至少一种药用可接受载体的药物组合物。进一步披露了通过给哺乳动物投予有效量的β-内酰胺类抗生素和本发明的前药或其溶剂化合物的增效量来增加β-内酰胺类抗生素的治疗效果的方法。此外,还披露了通过给需要的哺乳动物投予本发明的药物组合物的治疗有效量来治疗哺乳动物的细菌感染的方法。