Sonication method synergism with rare earth based nanocatalyst： preparation of NiFe2-xEuxO4 nanostructures and its catalytic applications for the synthesis of benzimidazoles, benzoxazoles, and benzothiazoles under ultrasonic irradiation

A simple and practical ultrasonically synthetic strategy for the preparation of rare-earth based catalyst, nanostructured NiFe2-xEuxO4 was developed. The structtre of NiFe2-xEuxO4 was characterized by various analyses such as X-ray diffraction （XRD）, scanning electron microscopy （SEM） and fourier tr...

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Published inJournal of rare earths Vol. 35; no. 4; pp. 374 - 381
Main Authors Ziarati, Abolfazl, Sobhani-Nasab, Ali, Rahimi-Nasrabadi, Mehdi, Ganjali, Mohammad Reza, Badiei, Alireza
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.04.2017
Subjects
nanocatalyst
organic reactions
rare earths
ultrasonic irradiation
催化剂制备
催化应用
合成制备
稀土基
纳米结构
苯并咪唑
苯并噻唑
超声辐照
nanocatalyst
organic reactions
ultrasonic irradiation
rare earths
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Summary:A simple and practical ultrasonically synthetic strategy for the preparation of rare-earth based catalyst, nanostructured NiFe2-xEuxO4 was developed. The structtre of NiFe2-xEuxO4 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 NiFe2-xEuxO4 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, NiFe2-xEuxO4 could be recovered for 6 times without noticeably decreasing the catalytic activity.
Bibliography:11-2788/TF
rare earths; organic reactions; nanocatalyst; ultrasonic irradiation
A simple and practical ultrasonically synthetic strategy for the preparation of rare-earth based catalyst, nanostructured NiFe2-xEuxO4 was developed. The structtre of NiFe2-xEuxO4 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 NiFe2-xEuxO4 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, NiFe2-xEuxO4 could be recovered for 6 times without noticeably decreasing the catalytic activity.
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(17)60922-0