In 2019,Catalysis Letters included an article by Khalifeh, Reza; Shahimoridi, Roghayeh; Rajabzadeh, Maryam. Name: 3-Hydroxybenzaldehyde. The article was titled ãDesign and Synthesis of Novel Cage like CuFe2O4 Hollow Nanostructure as an Efficient Catalyst for Synthesis of 4,4′-(aryl methylene)bis(3-methyl-1H-pyrazol-5-ol)sã? The information in the text is summarized as follows:
Cage like CuFe2O4 hollow nanostructure has been synthesized successfully using hard template method under the hydrothermal condition. Cu(NO3)2·6H2O, Fe(NO3)2·9H2O and glucose were dissolved in water, and the mixture was heated to 180 °C in an autoclave. The removal of carbon was achieved by calcination at 800 °C and finally, the cage like CuFe2O4 hollow structure was obtained. This cage like CuFe2O4 hollow structure was characterized by FE-SEM, EDS, TEM and XRD. The catalytic performance of this hollow nanostructure was evaluated for the synthesis of bis pyrazol-5-ols. To this end, the one pot condensation reactions of phenylhydrazine, Et acetoacetate and different aromatic aldehyde at 80 °C under the solvent free condition were performed. The optimum amount of applied catalyst for this transformation was obtained to be 0.04 mol %. Noteworthy, catalyst was easily recoverable and was reused for 7 times with the remaining of its initial structure as well as its catalytic activity. Cage like CuFe2O4 hollow nanostructure are stably and efficiently attainable for conversion of precursors to 4,4′-(aryl methylene)bis(3-methyl-1H-pyrazol-5-ol)s. In the experiment, the researchers used many compounds, for example, 3-Hydroxybenzaldehyde(cas: 100-83-4Name: 3-Hydroxybenzaldehyde)
3-Hydroxybenzaldehyde(cas: 100-83-4) can be used as a reactant along with ethyl acetoacetate and thiourea in the synthesis of corresponding dihydropyrimidine-2-thione (monastrol), using Yb(OTf)3 as a catalyst by Biginelli cyclocondensation reaction.Name: 3-Hydroxybenzaldehyde
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