VERFAHREN ZUR HERSTELLUNG VON OPTISCH AKTIVEN ACYLOXYAZETIDINONEN.
摘要
<p>Compounds of the formula <IMAGE> in which R1 denotes hydrogen or lower alkyl, R2 denotes hydrogen or a hydroxyl protecting group R2', and R3 denotes optionally substituted phenyl or lower alkyl, can be prepared in a three-step process from easily accessible beta -lactam starting materials.</p>
