PROCESS FOR THE PREPARATION OF VERDIPERSTAT - 佰腾网专利查询 - 全球专利搜索领导品牌

An improved process for preparing verdiperstat is disclosed. The process includes the steps of reacting a compound having formula or a salt thereof, wherein R is the same or different and is each independently a C1-C5 alkyl with 3-(dimethylamino)acrylonitrile to obtain a compound having formula; and converting the compound having formula to verdiperstat. - 佰腾网专利查询 - 全球专利搜索领导品牌