Direct introduction of a benzoyloxy substituent at the C-4 position of β-lactams
作者:Christopher J. Easton、Stephen G. Love
DOI:10.1016/s0040-4039(00)84518-9
日期:——
The copper-promoted reaction of β-lactams with t-butylperbenzoate results in benzoyloxylation of the azetidin-2-one ring at the C-4 position. There is no competing reaction at the C-3 position, but reaction at exocyclic carbon α to nitrogen competes with ring substitution.