Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antiviral and anticancer agents. Its strained oxetane ring enhances metabolic stability and improves pharmacokinetic properties in drug molecules. Commonly employed in medicinal chemistry to introduce polarity and reduce lipophilicity, aiding in the optimization of drug candidates. Also utilized in the preparation of functionalized polymers and as a building block in organic synthesis for constructing complex molecular architectures.