How do you convert the following:

Explanation:

Let us first look at the structures of phenol and anisole.

In this case, we must change the H atom from the –OH group to  OCH3.
This can be accomplished by first reacting phenol with a base, such as NaOH, and then treating it with an alkyl halide, such as CH3-Br.
This can be demonstrated by the following reaction:

Final Answer: