Complete the following carbon$-$carbon bond formation reactions by writing the necessary major product$($s$)$ or reactants. Show all stereochemistry and assume mono$-$reaction unless specified otherwise. Give the name of each of the completed reactions.$/$

i$.$

i$.$

${?}_{K_{2}C{O}_3,\text{M}\text{e}\text{C}\text{N}\text{,}{90}^{\text{@}}C}^{Pd(PP{h}_3{)}_4}$

$[63$ marks$]$