申请人:Sumitomo Chemical Company, Limited
公开号:US05883260A1
公开(公告)日:1999-03-16
The subject is to provides a process for producing 1-substituted-hydantoins of Formula I: ##STR1## wherein R.sub.1 represents d hydrocarbon group which may be substituted and others, cheracterized by reacting N-sustituted-N-alkcycarbonylamnilo-acetonitrile of Formula II: ##STR2## wherein R.sub.2 represents an alkyl group and others, with an alkali metal hydroxides or the like and then treating with an acid.
该主题提供了一种制备式I的1-取代咪唑二酮的过程:其中R.sub.1代表一个可能被取代的烃基等,其特征在于将式II的N-取代-N-烷基羰基氨基丙腈:其中R.sub.2代表烷基基团等,与碱金属氢氧化物或类似物反应,然后用酸处理。