Picolinic acid

Its pyridine ring and carboxylic acid group make it useful for building nitrogen-containing heterocycles, forming amides or esters, and generating Schiff bases. It is often employed to synthesize local anesthetics like mepivacaine, as well as in the preparation of bioactive heterocyclic compounds and metal-chelate complexes for medicinal or nutritional applications. Essentially, it provides a functionalized pyridine scaffold for constructing various active pharmaceutical ingredients. Picolinic acid (2‑pyridinecarboxylic acid) is a versatile synthetic intermediate in pharmaceutical chemistry.