1 - (ethoxy - carbonyloxy) ethyl 6alfa - (aminoethyl) penicillanate 1,1-dioxide, n - benzyloxycarbonylderivater thereof, fremg. to manufacture.of carboxylbeskyttet 6alfa - (benzyloxycarbonylaminomethyl) penicillansyre 1,1-dioxide and grignard reagent as an intermediate hereby

摘要

A process for the preparation of beta-lactamase inhibiting 6-alpha-(aminomethyl)penicillanic acid 1,1-dioxide and derivatives. R- and S-1-(ethoxycarbonyloxy)ethyl 6-alpha-(aminomethyl)penicillanate 1,1-dioxide are specifically described.