2-Piperidinone

scitech 2-piperidinone.svg 150px Piperidin-2-one δ-Valerolactam 2-Piperidinone 2-Piperidone 675-20-7 correct CAS correct FDA WLN0GQQ6EK 12665 12144 correct EBI 77761 O=C1NCCCC1 1/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) XUWHAWMETYGRKB-UHFFFAOYAE 1S/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) XUWHAWMETYGRKB-UHFFFAOYSA-N 5 9 1 1 1.073 g/cm32-Piperidone at Chemical Book 38 to 40 δ-Valerolactam at Sigma-Aldrich 256 291 g/L MSDS > 110 4-Piperidinone 2-Piperidinone (2-piperidone or δ-valerolactam) is an organic compound with the formula (CH2)4CONH. Valerolactam is formed by dehydrogenation of 5-amino-1-pentanol, catalyzed by rhodium and ruthenium complexes,M. Trincado K. Kühlein H. Grützmacher 2011 10.1002/chem.201101084 42 11905–11913 Chem. Eur. J. Metal-Ligand Cooperation in the Catalytic Dehydrogenative Coupling (DHC) of Polyalcohols to Carboxylic Acid Derivatives 17 21901769 D. Pingen D. Vogt 2014 10.1039/C3CY00513E 47–52 Catal. Sci. Technol. Amino-Alcohol Cyclization: Selective Synthesis of Lactams and Cyclic Amines from Amino-Alcohols 4 52265163 free 20.500.11820/6875ce86-a727-49b8-949f-f71a172043a3 free The compound, a colorless solid, is classified as a lactam. It is the monomer of nylon 5, a polyamide: n (CH2)4CONH -> [HN(CH2)4CO)]_{n} References