Flow synthesis of annulated 5-aryl-substituted pyridines by tandem intramolecular inverse-electron-demand hetero-/retro-Diels–Alder reaction 23/11/2018 Martin, R. E.; Lenz, M.; Alzieu, T.; Aebi, J. D.; Forzy, L.; Tetrahedron Letters, 2013, 54(49), 6703-6707 Link to article