Conversion of alcohols to alkyl bromides using PBr3

by James

Description: Treatment of a primary or secondary alcohol with PBr3 results in alkyl bromides.
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{ 5 comments… read them below or add one }

Debopriyo chakraborty

this is most useful specially for the student of class xi &xii

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Roberto Cipriano

Your reaction with PBr3 and the 2ndary alcohol is incorrect, I believe. Shouldn’t that be a Br instead of an OH in the product?

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james

Yes, thanks for pointing out the error! fixed!

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alex jones

will this reaction occur if it’s a tertiary alcohol?

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Trenten Witte

I don’t believe so due to the fact that the reaction proceeds through SN2. In order to convert a tertiary alcohol into an alkyl halide, it is better to use SOCl2 or SOBr2. Correct me if I am wrong.

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