Sonication method synergism with rare earth based nanocatalyst:preparation of NiFe_(2–x)Eu_xO_4 nanostructures and its catalytic applications for the synthesis of benzimidazoles,benzoxazoles,and benzothiazoles under ultrasonic irradiation

查看全文 作　　者：Abolfazl [1]Ziarati;Ali Sobhani-[2]Nasab;Mehdi Rahimi-[3,4]Nasrabadi;Mohammad Reza [5]Ganjali;Alireza [1]Badiei

机构地区：[1]School of Chemistry College of Science,University of Tehran,Tehran 1417614418,lran;[2]Young Researchers and Elite Club,Arak Branch,Islamic Azad University,Arak 3836119131,Iran;[3]Faculty of Pharmacy,Baqiyatallah University of Medical Sciences,Tehran 1435916471,lran;[4]Department of Chemistry,Imam Hossein University,Tehran 1581618711,lran;[5]Center of Excellence in Electrochemistry,University of Tehran,Tehran 1417614418 lran

出　　处：《Journal of Rare Earths》索引2017年第35卷第4期,共8页

基　　金：University of Tehran;Imam Hosseign University for supporting this work 摘　　要：A simple and practical ultrasonically synthetic strategy for the preparation of rare-earth based catalyst, nanostructured NiFe_(2–x)Eu_xO_4 was developed. The structure of NiFe_(2–x)Eu_xO_4 was characterized by various analyses such as X-ray diffraction(XRD), scanning electron microscopy(SEM) and fourier transform infrared spectroscopy(FT-IR). The catalytic performance of NiFe_(2–x)Eu_xO_4 was evaluated for the synthesis of benzimidazoles, benzoxazoles and benzothiazoles under ultrasonic irradiation. All reactions were completed in short times and all products were obtained in good to excellent yields in presence of the rare-earth based catalyst. Besides, NiFe_(2–x)Eu_xO_4 could be recovered for 6 times without noticeably decreasing the catalytic activity. 关键词：催化剂制备苯并咪唑纳米结构合成制备苯并噻唑稀土基催化应用超声辐照

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Sonication method synergism with rare earth based nanocatalyst:preparation of NiFe_(2–x)Eu_xO_4 nanostructures and its catalytic applications for the synthesis of benzimidazoles,benzoxazoles,and benzothiazoles under ultrasonic irradiation

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