NEW METHOD FOR PREPARING EZETIMIBE

摘要

The present invention relates to a new method for preparing ezetimibe comprising a step of cyclizing the compound (4S)-phenyl-3-[(5S)-(4-fluorophenyl)-(2R)-[(1S)-(4-fluorophenylamino)-1-(4-nitrophenyl)methyl]-5-hydroxypentanoyl]oxazolidin-2-one or the derivatives thereof in which the hydroxyl group is protected. The invention also relates to new intermediates used in this method.