Catalysis Letters p. 1182 - 1193 (2016)
Update date:2022-08-17
Topics:
Chen, Aimin
Wang, Houyong
Liu, Rui
Bo, Yingying
Hu, Jun
Abstract: The mesoporous solid acid–base Cs–B–Zr mixed oxides were synthesized using the co-precipitation method followed by a subsequent thermal treatment. The catalytic activity of solid Cs–B–Zr mixed oxide was tested for solvent free acid–base catalysed direct alkylolamines with alcohols as green alkylating agent. The effects of Cs/B/Zr ratio, calcination temperature, reaction conditions, and reaction substrate on the catalytic performance of the catalysts were investigated. The XRD, N2 adsorption–desorption, ICP-OES, FT-IR and NH3/CO2-TPD results showed that the mesoporous structure and acid–base properties of the catalysts play important roles in the reaction. A suitable number of acid and basic sites on the catalyst lead to a high activity for the N-alkylation reaction. Graphical Abstract: A direct N-alkylation of amino alcohol with alcohols has been developed using mixed oxide Cs–B–Zr as an acid–base bifunctionalized catalyst.[Figure not available: see fulltext.]
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