Allyl bromide → 2-[(Prop-2-en-1-yl)oxy]benzene-1-sulfonamide

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Reaction Steps

A mixture of 3.5 g of 2-hydroxyphenylsulfonamide, 5.5 g of potassium carbonate and 1.7 ml of allyl bromide in 100 ml of methyl ethyl ketone is stirred, under nitrogen, for 1 hour at reflux temperature. The reaction mixture is cooled to room temperature, filtered, and evaporated to dryness. Once recrystallisation from ethyl acetate yields 3.27 g of 2-allyloxyphenylsulfonamide with a melting point of 104°-105° C.

Provenance & Evidence