Partially fluorinated ionic compounds
View Patent ↗Partially fluorinated ionic compounds are prepared. They are useful in the preparation of partially fluorinated dienes, in which the repeat units are cycloaliphatic.
1. A composition of Formula (II)
wherein R comprises a linear or branched perfluoroalkene group of 1 to 20 carbon atoms, optionally containing oxygen or chlorine;
Q is chosen from F, —OM, —NH 2 , —NHCN, —N(M)SO 2 R 2 , —N(CN)SO 2 R 2 , —C(M)(CN) 2 , —C(M)(CN)(SO 2 R 2 ) and —C(M)(SO 2 R 2 ) 2 ;
R 2 is an optionally fluorinated 1 to 14 carbon alkyl group, optionally containing ether oxygen linkages, or an optionally fluorinated 6-12 carbon aryl group; and
M is independently H, an alkali cation, ammonium or substituted ammonium.
2. The composition of claim 1 wherein R is (CF 2 ) x where x=1 to 16, (CF 2 ) y OCF 2 CF 2 where y=1 to 12, or (CF 2 CF(CF 3 )O) z CF 2 CF 2 where z is 1 to 6; and wherein R 2 is methyl, ethyl, propyl, butyl, or phenyl, each of which may be partially fluorinated or perfluorinated.
3. The composition of claim 2 where x=1 to 4, y=1 to 4, and z is 1 to 2; and R 2 is perfluoromethyl, perfluoroethyl, or perfluorophenyl.
4. The composition of claim 1 wherein Q is F.
5. The composition of claim 1 wherein Formula (II) is Formula (IIA)