Catalysis Communications p. 38 - 42 (2017)
Update date:2022-08-05
Topics:
Zhou, Xiao
Wei, Xian-Yong
Liu, Zhong-Qiu
Lv, Jing-Hui
Wang, Yue-Lun
Li, Zhan-Ku
Zong, Zhi-Min
An active bifunctional nickel catalyst was prepared by decomposing Ni(CO)4 to highly dispersed metallic Ni onto Hβ zeolite and first applied in hydroconverting benzyloxybenzene (BOB), which was used as a lignin-related model compound. Ni/Hβ proved to be effective for converting BOB to bicyclic cyclanes (BCCs) via Calk–O bond cleavage induced by H+ addition, benzylium addition to 2- and 4-positions in phenol, hydrogenation of benzene ring, dehydration, and H? abstraction. Compared to one-step conversion, the total BCC selectivity (TBCCS) significantly increases from catalytic hydroconversion of catalytically converted BOB by pretreatment under pressurized N2.
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