A process for efficiently producing, through few steps either a xanthine oxidase inhibitor, which is a therapeutic agent for hyperuricemia, or an intermediate therefore. The process is a novel coupling process which comprises subjecting a compound represented by formula (1) to coupling reaction with a compound represented by formula (2) in the presence of a transition metal compound to thereby obtain a compound represented by formula (3).
一种高效生产
黄嘌呤氧化酶
抑制剂或其中间体的方法,该
抑制剂是治疗高
尿酸血症的药物。该方法是一种新型偶联过程,包括将式(1)表示的化合物与式(2)表示的化合物在过渡
金属化合物存在下进行偶联反应,从而获得式(3)表示的化合物。