Gallium‐Based Eutectic Alloys as Liquid Electron Donors to Ruthenium Single‐Atom Catalysts for Selective Hydrogenation of Vanillin. - Song, Jia; Liu, Jianuo; Zhu, Xiaorong; Mou, Xiaoming; Zheng, Handuo; Zhou, Huang; Wang, Wenyu; Guan, Yong; Tang, Jun; Lin, Yue; Zheng, Lirong; Yao, Tao; et al. (Angewandte Chemie, 2025)