A process for preparing {HEAD ~ an azetidinone} represented by {TAIL ~ the formula} ##STR16## wherein Q is hydrogen, lower alkyl, phenyl 0 3 or phenyl 0 3  
represented by
A process for preparing { HEAD ~ an azetidinone } represented by { TAIL ~ the formula } # # STR16 # # wherein Q is hydrogen , lower alkyl , phenyl 0 3 or phenyl 0 3
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH