4-Dimethylaminopyridine (DMAP): A Catalyst Par Excellence in Pharmaceutical Esterification Introduction 4-Dimethylaminopyridine (DMAP), a tertiary amine derivative of pyridine, has emerged as a powerful and versatile catalyst in organic synthesis, particularly in accelerating esterification reactions. Its exceptional catalytic activity stems from its unique electronic and steric properties, making it a cornerstone reagent in various chemical transformations,...