Reported herein is the first catalytic oxidative [4+2] cycloaddition of 2-aminophenols with cyclic enamines. This biomimetic catalytic oxidative strategy expediently accommodates the very labile structurally unbiased ortho-quinone monoimine intermediate for cycloaddition by controlling its formation rate, thus refraining from otherwise prerequisite steric or electronic stabilization and allowing efficient
本文报道的是
2-氨基苯酚与环状烯胺的第一次催化氧化[4 + 2]环加成反应。该仿生催化氧化策略通过控制其形成速率,方便地适应了非常不稳定的结构上无偏的邻醌单
亚胺中间体的环加成反应,从而避免了其他必要的空间或电子稳定性,并允许在步骤和步骤中高效组装各种
三环1,4-苯并恶嗪。原子经济时尚。