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ChemicalBook CAS DataBase List 1,4-DIIODOTETRAFLUOROBENZENE
392-57-4

1,4-DIIODOTETRAFLUOROBENZENE synthesis

3synthesis methods
-

Yield:392-57-4 68%

Reaction Conditions:

with iodine

Steps:

5 1,2,4,5-Tetrafluoro-3,6-diiodobenzene
EXAMPLE 5 1,2,4,5-Tetrafluoro-3,6-diiodobenzene 1,2,4,5-Tetrafluorobenzene(11.3 g, 75 mmol) and iodine(21.9 g, 86 mmol) gave 3,6-diiodo-1,2,4,5-tetrafluorobenzene (20.5 g, 68%); m.p. 109°-111° C. (lit;2 109°-111° C.); (Found: C. 17.59; H, 0; N, 0. C6 F4 I2 requires C, 17.93; H, 0; N, 0%); δF -118.0 (4F, s,1-F, 2-F, 3-F, 4-F); δC 72.9 (2C, t, 2 JC-F 27.9, 3C, 6-C) and 146.6 (4C, m, 1 JC-F 250.4, 1-C, 2C, 4-C, 5-C); m/z (EI+) 402 (M+, 46.7%).

References:

BNFL Fluorochemicals Ltd US5734073, 1998, A

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