ORGANIC CHEMISTRY Chapter ll 11. 15A Ethers by Intermolecular Dehydration of Alcohols H R-O-H+ h-o-RR-o-R+ Ho H2SO4 CH3 CH2OCH CH3 140°C CH3 CH2OH H2SO4 180°C CH2-CH2 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 11 11.15A Ethers by Intermolecular Dehydration of Alcohols R O H + H O R H+ R O R + H2O CH3CH2OH H2SO4 140°C H2SO4 180°C CH2 CH2 CH3CH2OCH2CH3