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Magnetic Cu-on-pumice catalyst for nitro reductions
A cellulose-textured volcanic-pumice magnetite composite bearing copper nanoparticles reduces nitrobenzenes to anilines in eight minutes.
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What reaction does Fe3O4@VPMP/CLS–Cu catalyze?
Reduction of nitrobenzene derivatives to anilines.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
What catalyst loading and temperature were optimal?
0.05 g at 70 °C for 8 min stirring.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
Why use volcanic pumice?
High porosity, magnetism, biocompatibility, and easy surface functionalization.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
Why include cellulose?
It is a natural polymer chosen to emphasize green chemistry.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
What pore volume did BET imply?
0.5164 cm³ g⁻¹.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
Which reductant was optimized with the catalyst?
NaBH4, along with catalyst amount, medium, temperature, and time.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
What Cu oxidation states did XPS address?
Cu0, Cu+, and Cu2+ in the composite.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
How is unbound cellulose removed after assembly?
Magnetic separation and washing.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
Which techniques characterized the catalyst?
FT-IR, SEM, EDX, XRD, TGA, and VSM.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
What is the intended synthetic transformation?
Amines from the corresponding nitro compounds on the Cu composite.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified
Does recycling keep full activity?
Efficiency is gradually lost during reuse.
Source: Highly porous copper-supported magnetic nanocatalysts: made of volcanic pumice textured by cellulose and applied for the reduction of nitrobenzene derivatives · DOI · quote verified