申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US08344148B2
公开(公告)日:2013-01-01
The present invention provides a novel intermediate for manufacturing a 2,3-dihydroimidazo[2,1-b]oxazole compound with a high yield and a high purity, and a manufacturing method of the intermediate. The present invention provides an epoxy compound represented by the general formula (2): wherein, R1 represents hydrogen or a lower alkyl group; and R2 represents a piperidyl group represented by the general formula (A1): (wherein, R3 represents a phenoxy group having a halogen-substituted lower alkoxy group substituted on a phenyl group, and the like) and the like; and n represents an integer of 1 to 6, a manufacturing method of the epoxy compound, and a manufacturing method of an oxazole compound using the epoxy compound.
本发明提供了一种制备2,3-二氢咪唑[2,1-b]噁唑化合物的新型中间体,其具有高收率和高纯度,以及该中间体的制备方法。本发明提供了一种由通式(2)表示的环氧化合物:
其中,R1代表氢或低碳基;R2代表由通式(A1)表示的哌啶基:
(其中,R3代表苯基上取代有卤代低烷氧基的苯氧基等)等;n表示1至6的整数,以及该环氧化合物的制备方法和使用该环氧化合物制备噁唑化合物的制备方法。