The present invention relates to processes for preparing certain piperidine derivatives, including fexofenadine (F) (see Scheme), the active ingredient in the non-sedating antihistamine sold in the U.S. under the designation 'Allegra®'. This invention also relates to novel synthetic intermediates useful in the processes of the present invention.
本发明涉及制备某些
哌啶衍
生物的过程,包括非镇静型抗
组胺剂“Allegra®”中销售的活性成分费索
菲尼(Fexofenadine)(见方案)。本发明还涉及在本发明过程中有用的新型合成中间体。