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Zheng, Jianwei; Huang, Lele; Cun-Hao Cui; Zuo-Chang, Chen; Xu-Feng, Liu; Duan, Xinping; Xin-Yi, Cao; Tong-Zong, Yang; Zhu, Hongping; Kang, Shi; Du, Peng; Si-Wei, Ying; Chang-Feng, Zhu; Yuan-Gen Yao; Guo-Cong, Guo; Yuan, Youzhu; Su-Yuan, Xie; Lan-Sun, Zheng
Science (American Association for the Advancement of Science), 04/2022, Volume: 376, Issue: 6590Journal Article
Promoting copper catalysts with C60Ethylene glycol, a commodity chemical used as a feedstock and antifreeze agent, is synthesized industrially from dimethyl oxalate (DMO) by hydrogenation over precious-metal palladium catalysts at high pressures (typically 20 bars). Copper-chromium catalysts supported on silica as an alternative have required even high pressures. Zheng et al. show the addition of fullerene (C60) onto copper-silica allows DMO hydrogenation to be performed at ambient pressures with high yield (98%) and without deactivation after 1000 hours (see the Perspective by Gravel and Doris). The use of C60 to stabilize electron-deficient copper species that enhance hydrogen adsorption could likely be applied to other hydrogenation reactions catalyzed by copper. —PDS
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