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公开(公告)号：DE2133793A1
公开(公告)日：1973-01-25
申请号：DE2133793
申请日：1971-07-07
Applicant: HOECHST AG
Inventor： GUENTHER DIETER DR , HUNKLER DIETER DR
IPC: C07C303/22 , C07C309/81 , C07C143/70
Abstract: 2-Chloroethylenesulphonyl chloride (I) is produced by eliminating HCl from 2,2-dichloroethanesulphonyl chloride (II) by contacting it at 80-400 degrees C. with an inert material with a large surface area. The process may be carried out in the gas phase, but pref. liquid (II) is heated with active carbon at 110-215 degrees C. (I) is an inter. for dyes, and pesticides, and can be used directly as a monomer for (co)polymsn.
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