Process and intermediates for sultamicillin and analogs.

摘要

6-Halo- and 6,6-dihalo-1,1-dioxopenicillanoyloxymethyl 6-[D-2-(2-alkoxycarbonyl-1-methylvinylamino- and 1-methyl-3-oxo-1-butenylamino)-2-phenylacetamido]-penicillanates and analogs; process for their conversion to sultamicillin and analogs; and process for their preparation.