6'-Acylaminopenicillanoyloxymethyl esters of penicillanic acid 1,1-dioxide are useful as antibacterial agents. The 6'-aminopenicillanoyloxymethyl ester, halomethyl esters, alkylsulfonyloxymethyl esters and arylsulfonyloxymethyl esters of penicillanic acid 1,1-dioxide are all useful intermediates for the aforesaid antibacterial agents.
6'-酰胺基青霉烷酸氧甲基酯是一种有用的抗菌剂。6'-
氨基青霉烷酸氧甲基酯、卤代甲基酯、烷基磺酰氧甲基酯和芳基磺酰氧甲基酯是上述抗菌剂的有用中间体。