Chapter 13, Problem 18P

Interpretation Introduction

Interpretation:

The reagents required for the given reactants to produce 1,3-butadiene are to be determined.

Concept introduction:

Alkyl halides undergo E2 elimination when reacted with a strong base and a strong nucleophile, like tertiary alkoxides.

Alcohols heated in the presence of mineral acids undergo elimination reaction and form alkanes.

Primary alcohols undergo E2 elimination with concentrated sulfuric acid ${\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}$ to form alkenes.

${\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}$ is a dehydrating agent.

Nickel boride ${\text{Ni}}_{\text{2}}\text{B (P}-2\text{)}$ is an effective reducing catalyst sensitive to steric factors and also, a mild reducing agent which converts alkynes to alkenes.