The treatment of tetrahydrofuran with excess HBr results in the formation of 1,4-dibromobutane as a major organic product .
THF which is tetrahydrofuran is reated with excess of HBr at 373 K .The product is 1,4-dibromobutane as a major organic product .
In the mechanism proton having positive charge is attack on electron rich oxygen and protonated it then bromine anion attack at adjacent carbon and break carbon - protonated oxygen bond and in he final step the hydroxyl group is protonated and remove as a water with attack at bromine anion .
Therefore , on treatment of tetrahydrofuran with excess HBr results in the formation of 1,4-dibromobutane as a major organic product .
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