The present invention is directed to processes for the preparation of 4-(3-methanesulfonyl-phenyl)-1-N-propylpiperidine (I) or a pharmaceutically acceptable salt thereof, which comprises: oxidizing a sulfide of the formula (II): with a catalytic oxidizing agent and an oxidant; to give a compound of the formula (III): followed by catalytic reduction of the compound of the formula (III).
本发明涉及制备4-(3-甲磺酰基苯基)-1-N-丙基
哌啶(I)或其药学上可接受的盐的过程,包括:用催化氧化剂和氧化剂氧化式为(II)的
硫醚,得到式为(III)的化合物,然后对式为(III)的化合物进行催化还原。