: B 2391 (OTTO) N-Boc-3-pyrrolidinone, 97% Cas 101385-93-7 - used as starting material in the synthesis of spirocyclic tetrahydrofuran. B 2391 (OTTO) N-Boc-3-pyrrolidinone, 97% Cas 101385-93-7 - used in a study of asymmetric hydrogen-transfer bioreduction of ketones with Leifsonia alcohol dehydrogenase.