Would an acceptable way to protect a phenolic alcohol be through a Williamson ether synthesis? As in:
1) Deprotonating phenol with sodium hydroxide.
2) Addition of methyl iodide.
3) Deprotection of ether with strong, hot, concentrated acid such as HI.
I know there are more sophisticated ways of protecting alcohols, but what's wrong with this method (if any)? It certainly seems relatively simple and effective.