Acid catalyzed elimination of ethers
Synthesis of ethers by the dehydration of an alcohol is a nucleophilic substitution reaction. It is also called acid-catalyzed dehydration of alcohol to. HPA catalysts can improve many classical acid catalysis reactions, cyclic ethers have been published; this is essentially a dehydration. The yield is lower for secondary alkyl halides because they also react with the alkoxide ion in a competing elimination reaction. The Williamson synthesis.