2-dimensional nanoleaf-like porous copper nitrate hydroxide as an effective heterogeneous catalyst for selective oxidation of hydroxymethylfurfural to diformylfuran

The functional and synergetic optimization of the thermal-catalytic system for the selective oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran: a review

“…Besides, Cu 2+ species exhibit the weak activation ability of HMF without coordination with N-containing molecules. 88,99,100 A 2D-elliptical and heterogeneous material Cu 2 (OH) 3 NO 3 , which showed great recycling performance, was synthesized by Li et al 90 Neither TEMPO nor LPCNH could not oxidize HMF into DFF, respectively. However, when Cu 2 (OH) 3 NO 3 and TEMPO were both added to the reaction solution, 99.3% yield and 100.0% selectivity of DFF were achieved, showing the high efficiency of synergistic catalysis.…”

Hantzsch reaction using copper nitrate hydroxide-containing mesoporous silica nanoparticle with C3N4 framework as a novel powerful and reusable catalyst

“…Copper hydroxide nitrate, [Cu 2 (OH) 3 NO 3 ], is a basic copper(II) salt with a layered structure, that have applications in vehicle airbags, catalyst, and ion exchangers 56 – 60 . [Cu 2 (OH) 3 NO 3 ] exists as two structurally related dimorphs, a synthetic metastable monoclinic phase and a natural orthorhombic phase occurring in the mineral gerhardtite.…”

The reaction pathways of 5-hydroxymethylfurfural conversion in a continuous flow reactor using copper catalysts

“…In the early reports, some oxidants such as NaOCl, BaMnO 4 and H 2 O 2 were used to synthesize DFF from the oxidation of HMF. [14][15][16] These methods not only required stoichiometric oxidants but also produced large amounts of waste. Recently, using O 2 (or air) as oxidants has attracted more attention, with high HMF conversion and DFF selectivity reported in many works.…”