Question

how to convert propanamine to ethanamine?​

Answer 1

Answer:

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Explanation:

● Answer -

Propionamide can be converted to ethanamine with Hoffman bromamide reaction.

● Reaction -

In Hoffman bromamide reaction, an amide is treated with Br2/KOH to get a primary amine with 1 C-atom less.

RCONH2 + Br2 + 4NaOH → R-NH2 + Na2CO3 + 2NaBr + 2H2O

When propionamide is treated with Br2/KOH, ethyl amine is formed.

CH3-CH2-CO-NH2 + Br2 + 4NaOH → CH3-CH2-NH2 + Na2CO3 + 2NaBr + 2H2O