Asymmetric Radical Cyclopropanation of α,β-Unsaturated Amides with α-Boryl and α-Silyl Dibromomethanes via Cr(II)-Based Metalloradical Catalysis - Xinyu Wang; Zhaoxin Shi; Mingrui Xu; Xiaoyu Lin; Zhaobin Wang (Journal of the American Chemical Society, 2025)