Preparation of the Fluorosulfonates: KI(SO3F)4, KBR(SO3F)4, SNCL(SO3F)3, AND CRO2(SO3F)2
WASHINGTON UNIV SEATTLE
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It is known that peroxydisulfuryl difluoride, S2O6F2, reacts with some chlorides to replace chlorine by the fluorosulfonate group. This type of reaction has now been used to prepare SnClSO3F3 from SNCL4 and CrO2SO3F2 from CrO2Cl2. It has also been shown that S2O6F2 fails to replace the halogen in KBr or KI when reacting at about room temperature. Instead of this the complex salts, KBrSO3F4 and KISO3F4, are formed.
- Organic Chemistry