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Product of this Hoffmann bromamide react...


Product of this Hoffmann bromamide reaction is :

A

`Ph -overset(O)overset(||)C-CH_(3)`

B

`Ph-CHO`

C

`Ph-CH-OH`

D

`Ph-CH_(2)-NH_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset(("Hoffmann bromamide reaction"))(Ph-overset(OH)overset(|)(CH)-overset(O)overset(||)C-NH_(2)) underset(KOH)overset(Br_(2))toPh-underset(("unstable"))overset(OH)overset(|)(CH)-NH_(2)to Ph-overset(O)overset(||)C-H`
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R-overset(O)overset(||)C-NH_(2)+xNaOH +Br_(2) to R-NH_(2)+2NaBr +Na_(2)CO_(3) +H_(2)O Number of moles of NaOH used in above Hoffmann bromamide reaction is :

Explain the Hoffmann's bromamide reaction.

Knowledge Check

  • Hofmann's bromamide reaction is to convert

    A
    acid to alcohol
    B
    alcohol to acid
    C
    amide to amine
    D
    amine to amide.

  • Hoffmann's bromamide reaction to convert

    A
    alcohol to acid
    B
    acid to alcohol
    C
    amine to amide
    D
    amide to amine

  • One of the following amides will not undergo Hoffmann bromamide reaction :

    A
    `CH_(3)CONHCH_(3)`
    B
    `CH_(3)CH_(2)CONH_(2)`
    C
    `CH_(3)CONH_(2)`
    D
    `C_(6)H_(5)CONH_(2)`

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