Congratulations to Xin Liu, Zeshu Wang, Tongyi Zhai, Chen Luo, Yiping Zhang, Yangbo Chen, their work, 'Copper-Catalyzed Azide-Ynamide Cyclization for Generation of α-Imino Copper Carbenes: Divergent and Enantioselective Access to Polycyclic N-Heterocycles', is accepted by Angew. Chem. Int. Ed.