Process for the preparation of 2,3-dichlorosulphonyl-acrylonitriles
申请人:Bayer Aktiengesellschaft
公开号:US04424167A1
公开(公告)日:1984-01-03
A process for preparing 2,3-dichlorosulphonyl-acrylonitriles is disclosed by reaction of 3-sulphonyl-propionitriles of the formula R.sup.1 --SO.sub.2 --CH.sub.2 --CH.sub.2 --CN wherein R.sup.1 denotes optionally substituted aryl, aralkyl, alkyl or cycloalkyl with a chlorination agent in the presence of a basic catalyst at elevated temperature.