The Fluorination of Decachlorocyclopentaphosphonitrile with Potassium Fluorosulfite

Decachlorocyclopentaphosphonitrile N 5 P 5 Cl 10 is fluorinated by potassium fluorosulfite to give a mixture of chloride-fluorides N 5 P 5 Cl 10−x F x (x = 1-9 ), no compound containing more than one PClF group. As for the comparable reactions of N 3 P 3 Cl 6 and N 4 P 4 Cl 8 , the dominance of the...

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Bibliographic Details
Published in:Canadian journal of chemistry 1974-07, Vol.52 (14), p.2546-2550
Main Authors: Paddock, Norman L, Serreqi, Jak
Format: Article
Language:English
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Summary:Decachlorocyclopentaphosphonitrile N 5 P 5 Cl 10 is fluorinated by potassium fluorosulfite to give a mixture of chloride-fluorides N 5 P 5 Cl 10−x F x (x = 1-9 ), no compound containing more than one PClF group. As for the comparable reactions of N 3 P 3 Cl 6 and N 4 P 4 Cl 8 , the dominance of the geminal substitution pattern is attributed to the electrostatic or σ-inductive effect of the electronegative fluorine atom. The relative rates of the first two fluorination steps, in comparison with similar information for N 3 P 3 Cl 6 and N 4 P 4 Cl 8 , confirm the importance of π-inductive effects in determining the rates of the reactions.
ISSN:0008-4042
1480-3291
DOI:10.1139/v74-371