Benzoyl Peroxide → 4-(2-Bromo-acetyl)-benzenesulfonamide

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Reaction Steps

90.3 g of the product of Example 4 are dissolved in 900 ml of methanol, 0.9 g of benzoyl peroxide are then added and 24 ml of bromine are added dropwise. The mixture is stirred under ultra-violet irradiation for 24 h, at ambient temperature, then concentrated. The residue is taken up in water, filtered off, washed with isopropanol and pentane.

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