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A novel nano perfluoro ionic liquid as an efficient catalyst in the synthesis of chromenes under mild and solvent-free conditions | ||
Iranian Journal of Catalysis | ||
مقاله 5، دوره 9، شماره 1، خرداد 2019، صفحه 37-49 اصل مقاله (3.17 M) | ||
نوع مقاله: Articles | ||
نویسندگان | ||
Javad Afsar؛ Ardeshir Khazaei* ؛ Mohammad Ali Zolfigol* | ||
Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran. | ||
چکیده | ||
1-Methyl-1H-imidazol-3-ium 2,3,4,5,6-pentafluorophenolate [mim]C6F5O as a novel nano ionic liquid was designed, synthesized and characterized by using various techniques such as Fourier transform spectroscopy infrared (FT-IR), nuclear magnetic resonance (NMR), x-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive x-ray spectroscopy (EDX), thermal gravimetric analysis (TGA), derivative thermal gravimetric (DTG) and elemental analysis (CHN). The described nano perfluoro ionic liquid was used as an efficient catalyst in the synthesis of 2-amino-4,5-dihydropyrano[3,2-c]chromene, 3-amino-1H-benzo[f]chromene and 2-amino-4H-chromene derivatives under mild and solvent-free conditions. Short reaction times, good yields of products, easy work-up are the major advantages of this work. | ||
کلیدواژهها | ||
Nano perfluoro ionic liquid؛ [mim]C6F5O؛ 1-Methyl-1H-imidazol-3-ium-2,3,4,5,6-pentafluorophenolate؛ Chromenes؛ Solvent-free conditions | ||
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مراجع | ||
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