A route has been developed for the synthesis of cyclobutanone analogues of p-lactam antibiotics. ... The p-lactam antibiotics constitute the most important class ... Although the search for new microbial p-lactam antibiotics ... Published on 01 January 1983. Downloaded by google on 19/02/2016 01:39:00. ... View Article Online / Journal Homepage / Table of Contents for this issue ... Scheme 1. Reagents: i, Na-liq. NH,-Me,CHOH then PhCH,Br-K,CO,- ...