ORGANIC CHEMISTRY Chapter ll ase CH2S-CI+ H-ochoCh CH2S-OChoCH Methanesulfonyl Ethanol Ethyl methanesulfonate chloride (ethyl mesylate) 甲磺酰氯 甲磺酸乙酯 ase CH3 Cl+H-OChoCH CH3 p-Toluenesulfonyl Ethanol Ethyl p-l toluenesulfonate chloride (ethyl tosylate) 对甲苯磺酰氯 对甲苯磺酸乙酯 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 11 CH3S Cl O O + H OCH2CH3 base CH3S OCH2CH3 O O Ethyl methanesulfonate (ethyl mesylate) Methanesulfonyl chloride Ethanol 甲磺酰氯 甲磺酸乙酯 CH3 S O O Cl + H OCH2CH3 base CH3 S O O OCH2CH3 p-Toluenesulfonyl chloride Ethanol Ethyl p-toluenesulfonate (ethyl tosylate) 对甲苯磺酰氯 对甲苯磺酸乙酯