A useful, robust, and cheap procedure was obtained for the synthesis of 4‐aryl‐NH‐1,2,3‐triazoles via aromatic aldehydes, nitromethane and choline azide in the presence of folic acid immobilized magnetic nanoparticle with good yields. The magnetic catalyst is easily synthesized and can be recycled at least five times with no significant loss in activity. In addition, the choline azide is used as a reagent and green solvent.
Pd nanoparticles (NPs) supported on α-Fe2O3–decorated melamine-based COF (Pd/ α-Fe2O3@CTF) were employed as photocatalysts for the water-mediated photocatalytic one-pot reductive N-formylation of nitroarenes using HCOOH as sustainable hydrogen and formylating...
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