Show how the given conversion can be achieved with a good yield. Provide any necessary reagents.

Reaction scheme showing the synthesis of an imine using PPh3 and BuLi.

Reaction scheme illustrating the formation of an alcohol from a Grignard reagent.

Synthesis of an imine using PPh3 and n-BuLi in a reaction scheme.

Formation of an alcohol from a Grignard reagent in a reaction scheme.