3-[3-(Trifluoromethyl)phenyl]propionaldehyde is a key intermediate for the preparation of cinacalcet hydrochloride. The present invention provides a novel process for the preparation of 3-[3-(trifluoromethyl)phenyl]propionaldehyde. The present invention also provides an improved process for preparation of cinacalcet hydrochloride in high yields. The present invention further provides a process for purification of cinacalcet hydrochloride.
                            3-[3-(三
氟甲基)苯基]
丙醛是
西那卡塞特盐酸盐制备的关键中间体。本发明提供了一种制备3-[3-(三
氟甲基)苯基]
丙醛的新工艺。本发明还提供了一种高产率制备
西那卡塞特盐酸盐的改进工艺。本发明还提供了一种
西那卡塞特盐酸盐的纯化工艺。