6-alpha/beta-[(C.sub.1 -C.sub.4)Alkoxyaminomethyl and benzyloxyaminomethyl]penicillanic acid 1,1-dioxides, pharmaceutically acceptable salts thereof and conventional esters thereof hydrolyzable under physiological conditions, all of which are useful in medicine as beta-lactamase inhibitors; intermediates and processes therefor; and a process for the conversion of the present compounds to 6-alpha- and 6-beta-(aminomethyl)penicillanic acid 1,1-dioxides and derivatives.
6-α/β-[(C.sub.1 -C.sub.4)烷氧基
氨甲基和苄氧基
氨甲基]
青霉素酸1,1-二氧化物,其药用盐及在生理条件下可
水解的常规酯,均可用于医学中作为β-内酰胺酶抑制剂;以及其中间体和相关工艺;以及将现有化合物转化为6-α和6-β-(
氨基甲基)
青霉素酸1,1-二氧化物和衍
生物的工艺。