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Title
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Ultrasound-accelerated selective oxidation of primary aromatic amines to azoxy derivatives with trans-3,5-dihydroperoxy-3,5-dimethyl-1,2-dioxolane catalyzed by Preyssler acid-mediated nano-TiO2
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Type
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JournalPaper
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Keywords
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Trans-3,5-dihydroperoxy-3,5-dimethyl-1,2-dioxolane _ Nano-TiO2 _ Preyssler-type heteropolyacid _ Aromatic amine _ Azoxy derivative _Oxidation
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Abstract
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Preyssler-type heteropolyacid supported onTiO2 nanoparticles has been explored as an efficient catalyst in selective oxidation of primary aromatic amines to azoxy derivatives using trans-3,5-dihydroperoxy-3,5-dimethyl-1,2-dioxolane as xidant. The reactions proceeded smoothly under mild and green ultrasound-accelerated conditions to afford the products in high yields. The catalyst recovered from the reaction mixture exhibits long-term stability with no significant drop in its catalytic activity.
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Researchers
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(Third Researcher), (Second Researcher), Davood Azarifar (First Researcher)
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