A novel complex of samarium on boehmite nanoparticles as an efficientand reusable nanocatalyst for the synthesis of tetrazoles
محل انتشار: بیست و دومین کنفرانس شیمی معدنی ایران
سال انتشار: 1402
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 42
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شناسه ملی سند علمی:
IICC22_131
تاریخ نمایه سازی: 5 آذر 1402
چکیده مقاله:
Boehmite is one of the attractive mineral materials, which was recently employed as supportin the synthesis of heterogenous catalysts [۱]. Boehmite consists of double layers of octahedronstructure from oxygen and a central aluminum atom with a cubic orthorhombic unit cell [۲].Boehmite nanomaterials have unique properties such as excellent surface area, nanometer size ofcrystallite, easy availability, non-toxicity, and thermal stability [۳]. Beside, samarium has rarelybeen reported as a catalyst for the synthesis of organic compounds. Regarding the fact that selectiveand reusable catalysts are the main principles of green chemistry, herein a new samarium complexon boehmite nanoparticles (Sm-bis(PYT)@boehmite) was investigated as a selective andrecyclable nanocatalyst in the synthesis of ۵-substituted ۱H-tetrazole derivatives in PEG-۴۰۰ as agreen solvent. Because, tetrazoles are an important group of organic compounds which can be usedin various fields such as coordination chemistry, drugs, synthetic organic chemistry, medicinalchemistry [۴]. Sm-bis(PYT)@boehmite was characterized using thermogravimetric analysis(TGA), Brunauer-Emmett-Teller (BET), wavelength dispersive X-ray spectroscopy (WDX),energy dispersive X-ray spectroscopy (EDS), scanning electron microscope (SEM), dynamic lightscattering (DLS), Inductively coupled plasma mass spectrometry (ICP-MS), Fourier transforminfrared spectroscopy (FT-IR), and X-ray diffraction (XRD) pattern. Notably, Smbis(PYT)@boehmite is stable and has a heterogeneous nature. Thus, it can be reused for severalruns without any re-activation.
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نویسندگان
Yunes Abbasi Tyula
Department of Chemistry, Faculty of Science, Ilam University, P.O. Box ۶۹۳۱۵۵۱۶, Ilam, Iran.
Parisa Moradi
Department of Chemistry, Faculty of Science, Ilam University, P.O. Box ۶۹۳۱۵۵۱۶, Ilam, Iran.
Tavan Kikhavani
Department of Chemical Engineering, Faculty of Engineering, Ilam University, Ilam, Iran.