Tetrafluoroethylene → Fuming sulfuric acid

HRID 2206963Notes

Reaction equation

HRID 2206963 reaction equation
FC(F)([S:6]([O-:9])(=[O:8])=[O:7])C(F)F.[K+].FC(F)=C(F)F.S([O-])([O-])=[O:19].[K+].[K+].[S:24](=[O:27])([OH:26])[O-:25].FC(F)(S(O)(=O)=O)C(F)F>>[OH:7][S:6]([OH:9])(=[O:19])=[O:8].[O:25]=[S:24](=[O:27])=[O:26]

Participants

6

Reactant 5

HCID 8301TetrafluoroethyleneHCID 24958Potassium sulfiteHCID 104748BisulfiteHCID 101763911,1,2,2-Tetrafluoroethanesulfonic acidHCID 58905542Potassium 1,1,2,2-tetrafluoroethanesulfonate

Product 1

HCID 24681Fuming sulfuric acid

Procedure

The Journal of Organic Chemistry, 2008, 73, 711-714 provides a process for the preparation of potassium 1,1,2,2-tetrafluoroethanesulfonate from tetrafluoroethylene in a buffered aqueous solution of potassium sulfite and bisulfite and then converted to 1,1,2,2-tetrafluoroethane sulfonic acid in 90% overall yield by distillation from oleum solution.

Workup

  1. customThe Journal of Organic Chemistry, 2008, 73, 711-714 provides a process

Sources & evidence

ORD record
ord-b3f765bec6d84825b17e5b8ca5e165bb
Source dataset
uspto-grants-2016_06
Patent number
US09376379B2

Reaction notes

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