Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its alkyne functionality allows for efficient coupling reactions, such as Sonogashira cross-coupling, enabling the construction of complex heterocyclic systems. Commonly employed in medicinal chemistry for scaffold modification and structure-activity relationship studies. Also utilized in the preparation of pyridine-based derivatives with potential biological activity, including anti-inflammatory and antiviral agents.