Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of active ingredients for central nervous system (CNS) drugs. Its strained cyclobutanone ring and methoxy functional group allow selective transformations, enabling the construction of complex molecular architectures. Commonly employed in medicinal chemistry for ring-expansion reactions and as a building block in the preparation of gamma-aminobutyric acid (GABA) analogs. Also utilized in the design of novel bioactive compounds where conformational restriction enhances target binding and metabolic stability.