The Reactivity of Enantiopure (S)‐6‐Oxopipecolic Acid and Corresponding Pyridoisoquinolines Under Acidic Conditions. - Šafář, Peter; Marchalín, Štefan; Balónová, Barbora; Šoral, Michal; Moncol, Ján; Ghinet, Alina; Rigo, Benoît; Daïch, Adam (European Journal of Organic Chemistry, 2018)