Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur halides
Patent
1999-12-28
2000-12-05
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur halides
562834, C07C30906
Patent
active
061569305
ABSTRACT:
The present invention provides a method for producing trifluoromethanesulfonyl chloride. This method includes the step of reacting trifluoromethanesulfonic acid with phosphorous trichloride and chlorine. With this method, trifluoromethanesulfonyl chloride can be easily and highly selectively produced at high yield. The reaction may be carried out at about atmospheric pressure. Furthermore, the reaction may be carried out in the presence of phosphorus oxychloride either under a pressurized condition or at about atmospheric pressure.
REFERENCES:
patent: 2732398 (1956-06-01), Brice et al.
Hamana Takanori
Kawashima Tadayuki
Mori Kaoru
Sakai Shigenori
Central Glass Company Limited
Liu Hong
Shah Mukund J.
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