2. 3. 4. Ph. OTBS + Ph + of CN 1. Ac₂0 2. NaOH CN 1. n-BuLi && 2. PPh3 OTf Me NaH Me PÅH Ph dioxane, reflux PhSH H OTBS Me Me NH₂

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.