The present invention relates to a process for the synthesis of the anti-inflammatory agent 5-chloro-3-(4-methanesulfonylphenyl)-6'-methyl-[2,3']bipyridine, referred to as compound of formula (1) or etoricoxib, which is a pharmaceutically active ingredient inhibiting cyclooxygenase-2. In particular, the application concerns a novel process of making the compound of formula (1) by oxidizing a compound of formula (4).
本发明涉及一种合成抗炎药物5-
氯-3-(4-甲磺基苯基)-6'-甲基-[2,3']联
吡啶的方法,该药物又称为化合物(1)或
依托考昔,是一种抑制环氧合酶-2的药用活性成分。具体而言,该申请涉及通过氧化化合物(4)制备化合物(1)的新型方法。