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Published in 2019 at "Polyhedron"
DOI: 10.1016/j.poly.2019.04.035
Abstract: Abstract In this study, the immobilization of sulfonic acid on silica-layered nickel ferrite, NiFe2O4@SiO2@SO3H, was investigated. The sulfonated Ni-nanocatalyst was then characterized using FT-IR, SEM, EDX, XRD and VSM analyses. Catalytic activity of the Ni-nanocomposite…
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Keywords:
acid silica;
sulfonic acid;
silica layered;
synthesis dihydropyridines ... See more keywords
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Published in 2020 at "Synthetic Communications"
DOI: 10.1080/00397911.2020.1761395
Abstract: Abstract A novel series of bis(1,4-dihydropyridine-3,5-dicarbonitrile) and bis(tetrahydrodipyrazolo[3,4-b:4′,3′-e]pyridine) derivatives which are linked to pyrazole units were prepared via Hantzsch like reaction of the bis-aldehydes with the respective 3-aminocrotonitrile and pyrazolone derivatives. Graphical Abstract
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Keywords:
linked pyrazole;
hantzsch synthesis;
pyrazole units;
synthesis bis ... See more keywords