Ethyl 3-aminoquinoline-2-carboxylate is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various biologically active compounds. Its structure serves as a building block for the development of quinoline-based pharmaceuticals, which are known for their diverse therapeutic applications. This compound is particularly valuable in the creation of anti-malarial, anti-cancer, and anti-inflammatory drugs, owing to the quinoline core's ability to interact with biological targets effectively. Additionally, it is employed in organic synthesis to produce novel heterocyclic compounds, contributing to advancements in drug discovery and development. Its versatility makes it a crucial component in research aimed at addressing complex diseases and improving treatment options.