Tetrahedron Letters p. 3413 - 3416 (1992)
Update date:2022-08-11
Topics:
Barton, Derek H. R.
Csuhai, Eva
Doller, Dario
The bromination reaction of saturated hydrocarbons under GoAggIII conditons (FeCl3.6H2O picolinic acid, H2O2 in pyridine/acetic acid) and under radical chain conditions (dibenzoyl peroxide in pyridine/acetic acid or initiation by UV light) are compared. Differences in the selectivity and kinetic behavior for a series of polyhaloalkanes are in agreement with a non-radical mechanism for GoAggIII bromination. Comparison of the kinetic order of reactivity for a series of polyhaloalkanes under chain radical conditions and under GoAggIII conditions is in agreement with a non-radical reaction pathway for the Gif-type bromination reaction.
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