Process of preparing hexafluorothioacetone dimer

Details Process of preparing hexafluorothioacetone dimer Process of preparing hexafluorothioacetone dimer

1980-12-15

1982-04-20

Raymond, Richard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D33900

Patent

active

043260683

ABSTRACT:
An improved process for the reaction of hexafluoropropene with elemental sulfur and alkali metal fluoride such as KF, in an aprotic solvent selected from the group consisting of acetonitrile dimethylacetamide, dimethylformamide, dimethyl sulfoxide and N-methyl pyrrolidone under substantially one atmosphere pressure and at tempertures of between about 25.degree. and 100.degree. C. is disclosed. The preferred alkali metal fluoride is KF and the preferred aprotic solvent is dimethylformamide.

REFERENCES:
Dyatkin et al., Tetrahedron, vol. 29 (1973), pp. 2759-2767.

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