CH3CH2CH2 .8H H HH Formation of Tosylate Ester CH3 CH3 p-toluenesulfonyl chloride ROTs, TsCl,“tosyl chloride” a tosylate ester Chapter 11 13CH3CH2CH2 C H H Br O H H _  +  Chapter 11 13 Formation of Tosylate Ester p-toluenesulfonyl chloride TsCl, “tosyl chloride” C O H CH3 S Cl O O N CH3 O S O H O C CH3 S O O O C ROTs, a tosylate ester =>