Provided are intermediates useful for the synthesis of hydroxyl-alkyl substituted azetidinones, processes of their preparation, and processes for the synthesis of certain hydroxyl-alkyl substituted azetidinones. Also provided are processes for the synthesis of 1-(4-fluorophenyl)-3(R)-[3-(4-fluorophenyl)-3(S)-hydroxypropyl]-4(S)-(4-hydroxyphenyl)-2-azetidinone, or ezetimibe.
提供了用于合成羟基烷基取代的氮杂四环酮的中间体,它们的制备过程以及某些羟基烷基取代的氮杂四环酮的合成过程。还提供了合成1-(4-
氟苯基)-3(R)-[3-(4-
氟苯基)-3(S)-羟基丙基]-4(S)-(
4-羟基苯基)-2-氮杂四环酮或
依折麦布的合成方法。