[EN] METHOD FOR PRODUCING OXAZOLE COMPOUND<br/>[FR] PROCÉDÉ DE PRODUCTION DE COMPOSÉ OXAZOLE
申请人:OTSUKA PHARMA CO LTD
公开号:WO2014034958A1
公开(公告)日:2014-03-06
An object of the present invention is to provide a novel method for producing an oxazole compound. The invention relates to a method for producing a compound represented by formula (1): wherein R1 is lower alkyl group or halogen substituted lower alkyl group, R2 is lower alkyl group, R5 is lower alkyl group, R11 is lower alkyl group, halogen substituted lower alkyl group or a group represented by formula: -CY2COOR12, wherein Y is a halogen atom, R12 is an alkali metal atom or lower alkyl group, Ar1 is phenyl group substituted with lower alkyl group, etc., or pyridyl group substituted with lower alkyl group, etc., X2, X3 and X9 are the same or different and are halogen atoms, X4 is a leaving group, and M is an alkali metal atom.
本发明的目的是提供一种生产噁唑化合物的新方法。该发明涉及一种生产由式(1)表示的化合物的方法:其中R1是较低的烷基或卤素取代的较低烷基,R2是较低的烷基,R5是较低的烷基,R11是较低的烷基,卤素取代的较低烷基或由式表示的基团:-CY2COOR12,其中Y是卤素原子,R12是碱金属原子或较低的烷基,Ar1是苯基取代的较低烷基等,或吡啶基取代的较低烷基等,X2、X3和X9相同或不同,是卤素原子,X4是一个离去基团,M是一种碱金属原子。