2-Oxindole is widely used in the pharmaceutical industry as a key intermediate in the synthesis of various biologically active compounds. It serves as a building block for the development of drugs targeting neurological disorders, such as Parkinson's disease, due to its ability to modulate dopamine receptors. Additionally, it is employed in the creation of anti-inflammatory and anticancer agents, as its structure can be modified to inhibit specific enzymes or pathways involved in disease progression. In agrochemical research, 2-oxindole derivatives are explored for their potential as herbicides and plant growth regulators. Its versatility in organic synthesis also makes it valuable in the production of dyes, pigments, and other fine chemicals.