Direct aldol and nitroaldol condensation in an aminosilane-grafted Si/Zr/Ti composite hollow fiber as a heterogeneous catalyst and continuous-flow reactor

Yingxin He,Abbas Jawad,Xin Li,Marktus Atanga,Fateme Rezaei,Ali A. Rownaghi

Journal of Catalysis（2016）

引用 30|浏览2

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摘要

•APS-grafted Si-Zr-Ti/Torlon composite hollow fibers were used for cooperative catalysts.•Amine-silanol cooperativity is tuned by adjusting the ZrO2, TiO2, and SiO2 nanoparticles.•Aldol and nitroaldol condensation are very sensitive to amine-silanol cooperativity.•High primary aldol and nitroalcohol yields were obtained in a continuous-flow system.

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关键词

Cooperative catalysis,Bifunctional acid–base catalysts,Aminosilane-grafted Si–Zr–Ti/Torlon composite hollow fibers,Aldol and nitroaldol condensations,Continuous-flow reactor

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