Divergent Synthesis of Polycyclic N‑Heterocycles via Controllable Cyclization of Divinylallenes Catalyzed by Copper and Gold - Mi Li; Shi-Jie Liu; Kua-Fei Wei; Li-Xia Xie; Dong-Can Lv; Wen-Bo Shen; Hao Tang; Long-Wu Ye (JACS Au)