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- W2949559532 abstract "Twelve N-(3- and 4-substituted phenyl)-O-isobutyl thionocarbamates, eight of which are novel, were synthesized from O-isobutyl xanthate and 3- and 4-substituted anilines in the presence of a nano-platinum aminophenyl modified multi-walled carbon nanotube catalyst. The nano-Pt catalyst was prepared on a carbon nanotube support modified by diazotization, nitro group reduction, and subsequent microwave-assisted nano-Pt precipitation. The catalyst was characterized by Fourier transform infrared (FT-IR) spectroscopy, elemental analysis, thermogravimetric analysis, and transmission electron microscopy. The nano-platinum/modified carbon nanotube catalyst was compared with a commercial Pt/active carbon catalyst in terms of product purity and yield. The results obtained by the use of the catalysts were additionally compared with those obtained by reaction of sodium isobutyl xanthogenacetate and 3- and 4-substituted anilines. Full structure characterization of the synthesized N-(substituted phenyl)-O-isobutyl thionocarbamates was achieved using FT-IR, 1H and 13C NMR, and mass spectrometric methods, and their purity was proved by elemental analysis and gas chromatography. The new catalytic method offers advantages over the commercial method, such as higher yields and no product purification is required, thus conforming to the principles of ecologically friendly syntheses." @default.
- W2949559532 created "2019-06-27" @default.
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- W2949559532 date "2012-01-05" @default.
- W2949559532 modified "2023-09-23" @default.
- W2949559532 title "ChemInform Abstract: Synthesis of N-(3- and 4-Substituted phenyl)-O-isobutyl Thionocarbamates from O-Isobutyl Xanthate and Amines Using a Nano-Platinum Multi-Walled Carbon Nanotube Catalyst." @default.
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- W2949559532 doi "https://doi.org/10.1002/chin.201205086" @default.
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