期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 209, 期 -, 页码 46-59出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2018.01.070
关键词
Magnetic catalyst; Dendrimer; Dawson-type polyoxometalate; Pyrans; One-pot synthesis
资金
- Research Council of Hakim Sabzevari University
An environmentally friendly HPA-dendrimer functionalized magnetic nanoparticle (Fe3O4@D-NH2-HPA) was successfully prepared and evaluated for the first time as novel and efficient nanocatalyst for the one pot synthesis of highly substituted pyran derivatives. The nano-magnetic catalyst was characterized by Fourier transform infrared (FT-IR), powder X-ray diffraction (XRD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and vibrating sample magnetometry (VSM). Furthermore, the catalyst can be easily recovered and reused without a significant loss of activity. (C) 2018 Elsevier B.V. All rights reserved.
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