Expanding the Potential of 3‐Hydroxyindolinones: Synthesis of Quinoxalin‐2(1H)‐ones through Acid‐Promoted Azidation and Ring‐Expansion. - Zhan, Shuming; Xu, Heng; Guo, Wenjing; Li, Lin; Hong, Biqiong; Gu, Zhenhua (Advanced Synthesis & Catalysis, 2023)