Show how the given syntheses can be carried out. Use any necessary reagents.
a. hex-5-en-1-ol → tetrahydro-2H-pyran-2-oneb. ethoxybenzene → 4-ethoxybenzamide

Synthesis pathway for tetrahydro-2H-pyran-2-one from hex-5-en-1-ol.

Synthesis pathway for 4-ethoxybenzamide from ethoxybenzene.

Synthesis pathway for tetrahydro-2H-pyran-2-one from hex-5-en-1-ol with NaBH4.

Synthesis pathway for 4-ethoxybenzamide from ethoxybenzene with HNO3.

Show how the given syntheses can be carried out. Use any necessary reagents.a. hex-5-en-1-ol → tetrahydro-2H-pyran-2-oneb. ethoxybenzene → 4-ethoxybenzamide