Tert-Butyl 2-cyanopiperidine-1-carboxylate is an enantioselective organometallic compound. It is a nitrile that reacts with electrophiles such as Grignard reagents and cyano to form an anion. This compound has two chiral centers, each of which can assume either the R or S configuration. The enantiomeric purity of tert-butyl 2-cyanopiperidine-1-carboxylate is greater than 99%. This compound has a low melting point and a half life of about 10 h in water, which makes it stable for use in organic synthesis. It is commonly used in science as a chiral auxiliary in asymmetric synthesis and as a catalyst for the conversion of epoxides to alcohols.