Silica-supported boric acid assisted conversion of mono- and poly-saccharides to 5-hydroxymethylfurfural in ionic liquid

RSC Advances ◽  
2014 ◽  
Vol 4 (28) ◽  
pp. 14414-14418 ◽  
Author(s):  
Mayanka Walia ◽  
Upendra Sharma ◽  
Vijai K. Agnihotri ◽  
Bikram Singh
Keyword(s):  
Ionic Liquid ◽  
Boric Acid ◽  
Heterogeneous Catalyst ◽  
Direct Conversion

Silica-supported boric acid has been prepared and applied as heterogeneous catalyst for the direct conversion of inexpensive and biorenewable mono- and polysaccharides to 5-hydroxymethylfurfural (HMF) in ionic liquid under much milder conditions.

Synthesis, Characterization and Application of N,N-Dimethyl-N-Sulfoethan Ammonium tetra-Chloro Aluminate: A Novel micro-Heterogeneous Cata-lyst for Synthesis of tri-Arylmethanes

2020 ◽  
Vol 17 ◽  
Author(s):  
Saeid Azimi ◽  
Niloofar Mohamadighader
Keyword(s):  
Ionic Liquid ◽  
Heterogeneous Catalyst ◽  
Mass Spectroscopy ◽  
Aromatic Aldehydes ◽  
Solid Catalyst ◽  
Sem Images ◽  
One Pot ◽  
Acidic Catalyst ◽  
Eds Analysis ◽  
Ft Ir

Abstract: A new solid catalyst was synthesized from an ionic liquid and heterogenised by changing anion reaction. The new heterogeneous acidic catalyst was characterized by SEM images, EDS analysis, AFM images, Ft-IR, HNMR, 13CNMR and Mass Spectroscopy. It was applied to synthesis of tri-arylmethanes throughout one-pot tri-component reactions among aromatic aldehydes, N,N-dimethylaniline and other carbonic nucleophiles such as anisole and indole. Hence, synthesis of convenient and inexpensive micro-heterogeneous catalyst was introduced, the efficiency of which was confirmed. Also, various useful products were synthesized throughout this simple and clean procedure.

Direct conversion of starch to hydroxymethylfurfural in the presence of an ionic liquid with metal chloride

2010 ◽  
Vol 62 (6) ◽  
pp. 326-330 ◽  
Author(s):  
Jae-An Chun ◽  
Jin-Woo Lee ◽  
Young-Byung Yi ◽  
Seong-Sig Hong ◽  
Chung-Han Chung
Keyword(s):  
Ionic Liquid ◽  
Direct Conversion ◽  
Metal Chloride
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