3. Propose a synthesis for each of the following from benzyl alcohol ($PhCH_2OH$) and alcohols of three or fewer carbons and any other compounds of two or fewer carbons.
a)
\begin{tikzpicture}
\draw (0,0) -- (1,0) -- (1.5,0.866) -- (1,1.732) -- (0,1.732) -- (-0.5,0.866) -- cycle;
\draw (0,0) -- (1,0);
\draw (0.5,0) -- (0.5,0.866);
\draw (0.5,0.866) -- (1,1.732);
\draw (0.5,0.866) -- (0,1.732);
\draw (0.5,0.866) -- (-0.5,0.866);
\draw (1.5,0.866) node[right] {$OEt$};
\draw (0,0) node[left] {$Ph$};
\draw (1,0) node[right] {$Ph$};
\draw (0.5,0) node[above] {$O$};
\draw (0.5,1.732) node[above] {$O$};
\draw (-0.5,0.866) node[left] {$Me$};
\end{tikzpicture}
b)
\begin{tikzpicture}
\draw (0,0) -- (1,0) -- (1.5,1) -- (1,2) -- (0,2) -- (-0.5,1) -- cycle;
\draw (0,0) -- (1,0);
\draw (0.5,0) -- (0.5,1);
\draw (0.5,1) -- (1,2);
\draw (0.5,1) -- (0,2);
\draw (0.5,1) -- (-0.5,1);
\draw (1.5,1) node[right] {$OH$};
\draw (0,2) node[left] {$OH$};
\draw (0,0) node[left] {$Me$};
\draw (1,0) node[right] {$Me$};
\end{tikzpicture}
c)
\begin{tikzpicture}
\draw (0,0) -- (1,0) -- (1.5,0.866) -- (1,1.732) -- (0,1.732) -- (-0.5,0.866) -- cycle;
\draw (0,0) -- (1,0);
\draw (1,0) -- (2,0);
\draw (2,0) -- (2.5,0.866);
\draw (2.5,0.866) node[right] {$Ph$};
\draw (1.5,0.866) node[above] {$O$};
\draw (1,1.732) node[above] {$O$};
\end{tikzpicture}
