4-(Pyrrolidin-1-yl)aniline is primarily utilized in the field of organic synthesis, where it serves as a key intermediate in the production of various pharmaceuticals and agrochemicals. Its structure, featuring both an aniline and a pyrrolidine moiety, makes it a versatile building block for the development of compounds with potential biological activity. In medicinal chemistry, it is often employed in the synthesis of molecules targeting central nervous system disorders, due to its ability to interact with neurotransmitter receptors. Additionally, it finds application in the creation of dyes and pigments, where its aromatic amine group contributes to the formation of stable colorants. The compound’s reactivity also allows it to be used in the preparation of ligands for catalytic processes, particularly in asymmetric synthesis, enhancing the efficiency of chemical transformations.