The present invention relates to processes for preparing certain piperidine derivatives, including fexofenadine (F), 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
抗组胺药物“Allegra®”中的活性成分费索
菲尼丁(F)的制备过程。本发明还涉及在本发明的过程中有用的新型合成中间体。