Question
Complete the following reaction and write its mechanism:
Answer :
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### Given reaction **1-Propanol** [ \text{CH}_3!-!\text{CH}_2!-!\text{CH}_2!-!\text{OH} ] ## **Step 1** ### Reagent: **TsCl / Pyridine** Alcohol is converted into a **tosylate (–OTs)**, a very good leaving group. ### **Product A** [ \text{CH}_3!-!\text{CH}_2!-!\text{CH}_2!-!\text{OTs} ] **(n-Propyl tosylate)** ### **Mechanism (Tosylation)** 1. Lone pair on O of –OH attacks S of TsCl 2. Cl⁻ leaves 3. Pyridine
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