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US 3,944,558 AGranted
Fluorocarbon derivatives of pyridine
AssigneeImperial Chemical Industries PLC
InventorsLeonard Eric Houghton, John Hutchinson
Life of this patent
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Abstract
Compounds having the general formula [C.sub.n F.sub.2n.sub.-1 (HF).sub.x ](C.sub.5 H.sub.4 N)O wherein n is an integer from 3 to 20 and x is 0 or 1, the group C.sub.5 H.sub.4 N is a pyridine nucleus and 0 is an oxygen atom covalently attached to a carbon atom of the nucleus.
Claims12
A compound having the general formula
- [C.sub.n F.sub.2n.sub.-1 (HF).sub.x ](C.sub.5 H.sub.4 N)O
- wherein
- n is an integer from 3 to 20
- x is 0 or 1
- the group (C.sub.5 H.sub.4 N) is a pyridine nucleus and
- O is an ether linkage oxygen atom covalently attached to the three position carbon atom of the pyridine nucleus and linking the [C.sub.n F.sub.2n.sub.-1 (HF).sub.x ] group.
3 more elements
A cationic surface-active agent having a cation of the structure ##SPC9##
- wherein
- n is an integer from 3 to 20
- x is 0 or 1
- R is an alkyl group
- in conjunction with an anion.
2 more elements
A process for the preparation of oxypyridine derivatives of perfluoroolefines comprising contacting a perfluoroolefine with a hydroxy pyridine in the presence of a proton acceptor and a polar aprotic solvent.
Dependencies are inferred from the claim text.