(S)-Quinuclidin-3-ol is primarily used as a chiral building block in the synthesis of various pharmaceutical compounds. Its rigid bicyclic structure and stereochemistry make it valuable in the development of drugs targeting the central nervous system, particularly for neurological disorders. It serves as a key intermediate in the production of muscarinic receptor antagonists, which are used to treat conditions like overactive bladder and chronic obstructive pulmonary disease. Additionally, it is utilized in the preparation of ligands for nicotinic acetylcholine receptors, contributing to research in addiction and cognitive enhancement. Its versatility in asymmetric synthesis also makes it a valuable tool in medicinal chemistry for creating enantiomerically pure compounds.