Show how the following synthesis can be carried out:
4-bromocyclopent-1-ene → cyclopent-3-ene-1-carboxylic acidUse any reagents necessary.

Synthesis pathway from 4-bromocyclopent-1-ene to cyclopent-3-ene-1-carboxylic acid using KCN and NaOH.

Synthesis pathway from 4-bromocyclopent-1-ene to cyclopent-3-ene-1-carboxylic acid using Mg in ether and NaOH.

Synthesis pathway from 4-bromocyclopent-1-ene to cyclopent-3-ene-1-carboxylic acid using KCN, CO2, and H+/H2O.

Synthesis pathway from 4-bromocyclopent-1-ene to cyclopent-3-ene-1-carboxylic acid using Mg in ether, CO2, and H+/H2O.

Show how the following synthesis can be carried out:4-bromocyclopent-1-ene → cyclopent-3-ene-1-carboxylic acidUse any reagents necessary.