Abstract:Nano indium oxide is an effective heterogeneous catalyst for the reaction between aryl cyanamides and sodium azide to synthesize the arylaminotetrazoles in good yields. This method has advantages of high yields, simple methodology, short reaction times and easy work-up. The catalyst can be recovered and reused in good yields.
Nano Indium Oxide as a Recyclable Catalyst for the Synthesis of Arylaminotetrazoles -[via reaction of aryl cyanamides and sodium azide]. -(BAHARI*, S.; SABEGH, M. A.; J. Chem. Sci. (Bangalore, India) 125 (2013) 1, 153-157, http://dx.
Nano Indium Oxide as a Recyclable Catalyst for the Synthesis of Arylaminotetrazoles -[via reaction of aryl cyanamides and sodium azide]. -(BAHARI*, S.; SABEGH, M. A.; J. Chem. Sci. (Bangalore, India) 125 (2013) 1, 153-157, http://dx.
CuO, Fe3O4 and CuFe2O4/CuO over montmorillonite (MMT) clay were prepared with an eco‐friendly manner utilizing aqueous fruit extracts of the Terminalia chebula (T. chebula). FT‐IR and EDS spectra, XRD patterns and FE‐SEM images revealed the growth of nanoparticles on the layers of montmorillonite clay. The catalytic activity of as‐prepared nanocomposites was comparatively evaluated in the synthesis of aminotetrazole derivatives and resulted in the order of CuFe2O4/CuO/MMT>CuO/MMT>Fe3O4/MMT in their activity for the regioselective synthesis of aminotetrazoles. The combination of the acidic character of MMT clay along with the synergistic electronic effect between nanoparticles result in the superior catalytic activity of CuFe2O4/CuO/MMT which showcased the enormous potential of metallic supported nanocomposites in the catalysis field. The magnetic CuFe2O4/CuO/MMT nanocomposite was successfully reused and recovered for several times without consequential abate.
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