| abstract |
The invention relates to a halogenated sulfur compound such as N-[(1-halogenated)-thiocyclobutyl]-succinimide and a preparation method thereof, and discloses that this type of compound reacts with an organic amine in a sulfuryl chloride Catalytic applications in the preparation of sulfonamides. The catalytic reaction for preparing sulfonamides from such halosulfur compounds disclosed in the present invention requires mild reaction conditions, short reaction time and high yield. The invention does not need to use highly dangerous chlorine gas, is safe, environmentally friendly and has great application value. |