Disclosed is a process for preparing 3 -substituted pyrrolidine compounds of formula (VII) or salts thereof, wherein R1 is described herein, which are intermediate compounds useful for the synthesis of darifenacin which is indicated for the treatment of overactive bladder with symptoms of urge, urinary incontinence, and the like, and pharmaceutically acceptable salts thereof. Also disclosed is a process for preparing darifenacin and pharmaceutically acceptable salts thereof.
本文揭示了一种制备式(VII)的3-取代
吡咯烷化合物或其盐的过程,其中R1如本文所述,这些中间化合物对达利费那辛的合成有用,达利费那辛用于治疗具有尿急、尿失禁等症状的过度活跃膀胱,并且其药用盐也可接受。还揭示了一种制备达利费那辛及其药用盐的过程。