A new synthetic route to 7α-methoxycephalosporins

Abstract

methods of preparation of 7cc-methoxycephalosporin.

Naturally Occurring β-Lactams

“…Conversion to the acylamino side chain is then possible. Other variations using ketenimines have been reported (190,191). One other method using imines involves addition to the quinonoid intermediate (219), derived by oxidation of the corresponding phenolic Schiffs base (192).…”