METHOD FOR PRODUCING PHENYL-SUBSTITUTED HETEROCYCLIC DERIVATIVE BY MEANS OF COUPLING METHOD USING A PALLADIUM COMPOUND
申请人:Teijin Pharma Limited
公开号:EP2610248A1
公开(公告)日:2013-07-03
The present invention provides a method for producing a xanthine oxidase inhibitor, which is a therapeutic agent for hyperuricemia, or intermediates of the same, said method being efficient and using a short process. The present invention is a novel coupling method for obtaining a compound represented by formula (3) by bringing about a coupling reaction between a compound represented by formula (1) and a compound represented by formula (2), in the presence of a palladium compound, a ligand capable of coordinating to the palladium compound, a base, a C1-C40 carboxylic acid, and at least one kind of additive.
本发明提供了一种生产作为高尿酸血症治疗药物的黄嘌呤氧化酶抑制剂或其中间体的方法,所述方法高效且工艺流程短。本发明是一种新颖的偶联方法,通过在钯化合物、能与钯化合物配位的配体、碱、C1-C40 羧酸和至少一种添加剂存在下,使式(1)代表的化合物与式(2)代表的化合物发生偶联反应,得到式(3)代表的化合物。