(1S,5R)-1-Phenyl-3-oxabicyclo[3.1.0]hexan-2-one is primarily utilized in organic synthesis and pharmaceutical research. Its unique bicyclic structure makes it a valuable intermediate in the development of complex molecules, particularly in the synthesis of biologically active compounds. It is often employed in the construction of chiral frameworks, which are crucial for creating enantiomerically pure drugs. Additionally, this compound is used in the study of reaction mechanisms and stereochemistry, aiding in the design of more efficient synthetic routes for target molecules. Its application extends to the field of medicinal chemistry, where it serves as a building block for potential therapeutic agents targeting various diseases.