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- W2138454912 abstract "Reactions of 4,4'-bipyridine (1) with excess of polyfluoroalkyl iodides (2a-d) at 100-110 degrees C, under neat conditions, led to the formation of monoquaternary salts (3a-d) in > 90% yields. Salts 3a-d were metathesized with LiN(SO2CF3)2 either in water or water/acetone mixtures to form ionic liquids (4a-d), respectively, in > 88% yields. When 1 was reacted with 2.5 equivalent of 2a-c in DMF at 110 degrees C, the diquaternary salts 5a-c were formed in > 85% yields. Alternatively, 5a-c were also synthesized by heating a mixture of 3a-c and 2a-c (1.25 equivalent) in DMF. The metathesis reaction of 5a-c with LiN(SO2CF3)2 produced dicationic ionic liquids (6a-c) in > 86% yield." @default.
- W2138454912 created "2016-06-24" @default.
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- W2138454912 date "2003-01-01" @default.
- W2138454912 modified "2023-10-05" @default.
- W2138454912 title "Syntheses of the first N-mono- and N, N′-dipolyfluoroalkyl-4,4′-bipyridinium compounds" @default.
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- W2138454912 doi "https://doi.org/10.1039/b301968c" @default.
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