Mechanistic Insights for Acid‐catalyzed Rearrangement of Quinoxalin‐2‐one with Diamine and Enamine. - Qu, Zheng‐Wang; Zhu, Hui; Zhukova, Nataliya A.; Katsyuba, Sergey A.; Mamedov, Vakhid A.; Grimme, Stefan (ChemCatChem, 2021)