PROCESS FOR THE PREPARATION OF TRANS-ISOMERS OF DIPHENYLAZETIDINONE DERIVATIVES

摘要

The invention relates to processes for the preparation of trans-isomers of diphenylazetidinone derivatives, using a chiral delta-lactone. It also relates to processes for the preparation of the chiral delta-lactone. The invention also relates to pharmaceutical compositions that include the trans-isomers of diphenylazetidinone derivatives.