Ethyl acetate reacts with _{$C{H}_{3}MgBr$} to form

Esters react with Grignard reagent to form _$tert$ -alcohols having at least two alkyl groups, introduced through Grignard reagent, identical, the third introduced through ester may be similar or different.

_{$C{H}_{3}COO{C}_2{H}_5+C{H}_{3}Mgl\stackrel{H_{2}O}{\to }C{H}_{3}COC{H}_3$}

       _{$\underset{\left(ii\right)H_{2}O}{\overset{\left(i\right)C{H}_{3}Mgl}{\to }}C{H}_3-\stackrel{\stackrel{C{H}_{2}C{H}_3}{|}}{\underset{\underset{OH}{|}}{C}}-C{H}_3$}