Quinuclidine is an organic compound with the formula HC(C2H4)3N. It is a bicyclic amine that can be viewed as a tied-back version of triethylamine. It is a colorless solid. It is used as a reagent (base) and catalyst. It can be prepared by the reduction of quinuclidine. It finds various applications in the field of organic synthesis and pharmaceutical research. Quinuclidine derivatives are used as catalysts, chiral building blocks, and intermediates in the synthesis of pharmaceutical compounds. Additionally, it has been investigated for its potential pharmacological properties, including its role as a neurotransmitter modulator.