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Liberating N‐CNTs Confined Highly Dispersed CoN x Sites for Selective Hydrogenation of Quinolines
Author(s) -
Gong Wanbing,
Yuan Qinglin,
Chen Chun,
Lv Yang,
Lin Yue,
Liang Changhao,
Wang Guozhong,
Zhang Haimin,
Zhao Huijun
Publication year - 2019
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201906051
Subject(s) - quinoline , catalysis , materials science , carbon nanotube , halogen , selectivity , irradiation , photochemistry , nanotechnology , combinatorial chemistry , organic chemistry , chemistry , alkyl , physics , nuclear physics
Selective hydrogenation of quinoline and its derivatives is an important means to produce corresponding 1,2,3,4‐tetrahydroquinolines for a wide spectrum of applications. A facile and efficient “laser irradiation in liquid” technique to liberate the inaccessible highly dispersed CoN x active sites confined inside N‐doped carbon nanotubes is demonstrated. The liberated CoN x sites possess generic catalytic activities toward selective hydrogenation of quinoline and its hydroxyl, methyl, and halogen substituted derivatives into corresponding 1,2,3,4‐tetrahydroquinolines with almost 100% conversion efficiency and selectivity. This laser irradiation treatment approach should be widely applicable to unlock the catalytic powers of inaccessible catalytic active sites confined by other materials.