ACS Catalysis p. 6299 - 6308 (2020)
Update date:2022-08-11
Topics:
Gates, Bruce C.
Guan, Erjia
Meng, Xiangju
Wang, Chengtao
Wang, Hai
Wang, Liang
Wang, Sai
Xiao, Feng-Shou
Xu, Dongyang
Xu, Hua
Yang, Bo
Zhang, Jian
There is a strong incentive for environmentally benign and sustainable production of organic nitriles to avoid the use of toxic cyanides. Here we report that manganese oxide nanorod-supported single-site Ru catalysts are active, selective, and stable for oxidative cyanation of various alcohols to give the corresponding nitriles with molecular oxygen and ammonia as the reactants. The very low amount of Ru (0.1 wt %) with atomic dispersion boosts the catalytic performance of manganese oxides. Experimental and theoretical results show how the Ru sites enhance the ammonia resistance of the catalyst, bolstering its performance in alcohol dehydrogenation and oxygen activation, the key steps in the oxidative cyanation. This investigation demonstrates the high efficiency of a single-site Ru catalyst for nitrile production.
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