Below is a modified scheme from a recent total synthesis of a certain anti-inflammatory compound. Please provide the structures of A and B. Also, provide the acid-base equilibrium reaction between compound A and n-BuLi (CH3CH2CH2CH2Lİ), showing pKa's of the acid and conjugate acid, as well as a properly drawn equilibrium arrow. Assume each reaction is followed with a complete work-up. 1. n-BuLi, then Br A ÖTBS THF, 60°C 84% 2. H2, Pd/PbO2 54% Br

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Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.