Quinuclidin-4-ol is primarily used as a key intermediate in the synthesis of various pharmaceutical compounds. It serves as a building block in the production of drugs targeting the central nervous system, particularly those acting on acetylcholine receptors. Its structure is crucial in developing medications for conditions like Alzheimer's disease and other cognitive disorders. Additionally, it is utilized in the creation of antispasmodic and antiarrhythmic agents. The compound's versatility also extends to research applications, where it is employed in the study of receptor binding and enzyme interactions. Its role in medicinal chemistry underscores its importance in advancing therapeutic solutions for complex health conditions.