An efficient and recyclable 3D printed α-Al2O3 catalyst for the multicomponent assembly of bioactive heterocycles

Jhonny Azuaje,Carmen R. Tubío,Luz Escalante,Mónica Gómez,Francisco Guitián,Alberto Coelho,Olga Caamaño,Alvaro Gil,Eddy Sotelo

Applied Catalysis A: General（2017）

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摘要

•An Al2O3 woodpile structure is prepared via 3D printing and subsequent sintering.•The 3D printed Al2O3 catalyst exhibits remarkable efficacy as a Lewis acid in Biginelli and Hantzsch reactions.•The optimised protocols enable the efficient, operationally and environmentally friendly synthesis of diverse heterocycles.

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关键词

3D printing,Al2O3,Multicomponent reactions,1,4-Dihydropyrimidines,3,4-Dihydropyrimidin-2(1H)-ones

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