O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Ph-CH=CH-C-C{{H}_{3}}\to Ph-CH=CH-C{{O}_{2}}H \\
\end{matrix}$
Above conversion can be achieved by
- A$KMnO_4, \Delta$ followed by $H^+$
- ✓$I_2/NaOH$ followed by $H^+$
- C$H_2/Pt$
- D$LiAlH_4$
