Highly Efficient Alkene Radical Difunctionalization toward Alkyl Azide and Nitrile Achieved by Copper Single-Atom Catalysts - Liang Ge; Jianguo Chen; Zaibin Xue; Mingkai Liu; Xiaoran Lu; Fajian Wu; Yan Yan; Zhirong Zhang; Hongliang Li; Jie Zeng (Journal of the American Chemical Society, 2026)