Journal of Fluorine Chemistry p. 233 - 234 (1994)
Update date:2022-08-17
Topics:
Fan-Hong, Wu
Bing-Nan, Huang
Using DMF, acetonitrile and alcohols as cosolvents, both polyfluoroalkyl iodides, such as Cl(CF2)nI (n = 4, 6, 8; 1a-c) and F(CF2)nI (n = 6, 8; 1d, e), and polyfluoroalkyl bromides, such as Cl(CF2)6Br (3b) and F(CF2)8Br (3e), react with sodium disulfite in neutral aqueous solution to give the corresponding sulfinates Cl(CF2)nSO2Na (n = 4, 6, 8; 2a-c) and F(CF2)nSO2Na (n = 6, 8; 2d, e) in good yield.In a similar manner, CF3CCl3 (4a) reacted with sodium disulfite to give CF3CCl2SO2Na (5a).
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