Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of bioactive molecules requiring defined stereochemistry. Its strained cyclobutane ring and functional groups make it valuable for modifying pharmacokinetic properties in drug design, such as improving metabolic stability or target selectivity. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its conformational rigidity. Also utilized in the preparation of enzyme inhibitors and central nervous system agents where stereochemistry plays a critical role in biological activity.