Question $3$

The ten most important reactions in biology, covered so far in Chem$222,$ are as follows:

Acid$-$base reactions

Electrophile$/$nucleophile addition to alkenes

Electrophilic aromatic substitution reactions

Nucleophilic substitution reactions

Elimination reactions

Oxidation reactions

Reduction reactions

Substitution at an acyl group

Aldol reactions

Claisen reactions

$1$

Use this information to identify each of the reactions involved in the synthesis of Compound $7.$