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