Question

Give following conversion reaction.

cyclohexancarboxamide $\to$ cyclohexyl ethylketone

Answer 1

Cyclohexancarboxamide on hydration forms cyclohexanoic acid.

This acid on reaction with $SOC{l}_2$ gives corresponding acyl chloride.

This acyl chloride on reaction with $EtMgBr$ (Grignard's reagent) forms cyclohexyl ethyl ketone as a product.