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Microwave assisted solvent free synthesis of triazolo[1,2-a]indazole-1,3,8-triones through one-pot three-component reaction of dimedone, phenyl urazole and aromatic aldehydes is presented. The reaction process was catalyzed by La 0.5 Ca 0.5… Click to show full abstract
Microwave assisted solvent free synthesis of triazolo[1,2-a]indazole-1,3,8-triones through one-pot three-component reaction of dimedone, phenyl urazole and aromatic aldehydes is presented. The reaction process was catalyzed by La 0.5 Ca 0.5 CrO 3 and silica-supported La 0.5 Ca 0.5 CrO 3 nanoparticles as new perovskite-type catalysts. The nano catalyst was studied by XRD, SEM and IR characterization tools. Some advantages of the proposed approach include high yield, being eco-friendly, procedure convenience and reusability of the catalyst. KEY WORDS : One-pot reaction, Triazolo[1,2-a]indazole trione, Perovskite oxide, Nano catalyst, Microwave, Solvent-free Bull. Chem. Soc. Ethiop. 2018 , 32(2), 239-248. DOI: https://dx.doi.org/10.4314/bcse.v32i2.5
Journal Title: Bulletin of The Chemical Society of Ethiopia
Year Published: 2018
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