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D-phenyl alanine-oxalic acid (D-Phe-Ox): A novel nano ionic liquid catalyzing the one-step green synthesis of functionalized spirolactones and dispirodihydro-furanyl oxindoles | ||
Iranian Journal of Catalysis | ||
مقاله 5، دوره 8، شماره 4، اسفند 2018، صفحه 271-279 اصل مقاله (1.35 M) | ||
نوع مقاله: Articles | ||
نویسندگان | ||
Kobra Nikoofar* ؛ Shiva Khani | ||
Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, Vanak, P.O. Box 1993893973, Tehran, Iran. | ||
چکیده | ||
In this paper, a new nano-size ionic liquid (nIL) has been synthesized from D-phenylalanine and oxalic acid (D-Phe-OX) via a simple procedure. The obtained nIL has been characterized by the fourier transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDAX), thermogravimetric analysis (TGA), nuclear magnetic resonance spectroscopy (1H NMR), and field emission scanning electron microscopy (FESEM), techniques. The synthesized nanocatalyst has been used for the three-component one-step synthesis of functionalized spirolactones via the condensation reaction of arylamines, DMAD and isatins. The stereoselective preparation of dispirodihydrofuranyl oxindoles has also been examined successfully through the one-step pseudo-four component condensation of isatins, amines and DMAD, respectively. | ||
کلیدواژهها | ||
Nano ionic liquid؛ DMAD؛ Spirolactone؛ Dispirodihydrofuranyl oxindole؛ Chiral؛ Isatin | ||
مراجع | ||
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