Sb(iii)-Gum Arabic composite as a unique natural-based and nontoxic catalyst was synthesized and characterized by FT-IR, XRD, TGA, ICP, BET, EDX and mapping. A four-component reaction of phthalic anhydride, hydrazinium hydroxide, aldehyde, and dimedone has been carried out in the presence of Sb(iii)/Gum Arabic composite to synthesise 2-indazolo[2,1-] phthalazine triones. The advantages of the present protocol are the appropriate reaction times, eco-friendly nature and high yields.
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| http://dx.doi.org/10.1039/d3ra02556j | DOI Listing |
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