申请人:Nippon Soda Co., Ltd.
公开号:EP2058303A1
公开(公告)日:2009-05-13
Provided is a method for producing a piperidin-4-one derivative useful as an intermediate for agricultural chemicals or pharmaceutical products. A piperidin-4-one derivative represented by formula (III-a) or formula (III-b) is produced by reacting a cyclic bis(aminol)ether compound represented by formula (I) and an acetone derivative represented by formula (II) in the presence of at least one substance selected from the group consisting of protonic acids, Lewis acids, acid halides and dialkyl sulfuric acids.
本发明提供了一种生产哌啶-4-酮衍生物的方法,该衍生物可用作农用化学品或医药产品的中间体。在至少一种选自质子酸、路易斯酸、酸卤化物和二烷基硫酸的物质存在下,通过使式(I)代表的环双(氨基醇)醚化合物和式(II)代表的丙酮衍生物反应,制得式(III-a)或式(III-b)代表的哌啶-4-酮衍生物。