期刊
APPLIED ORGANOMETALLIC CHEMISTRY
卷 32, 期 4, 页码 -出版社
WILEY
DOI: 10.1002/aoc.4266
关键词
magnetic nanoparticle; nanomagnetic catalyst; reduction of nitroarenes; Schiff base-palladium(II); Suzuki-Miyaura cross-coupling
资金
- DST-SERB, India [YSS/2015/000010]
- DST-Nanomission, India [SR/NM/NS-20/2014]
As a continuation of our efforts to develop new heterogeneous nanomagnetic catalysts for greener reactions, we identified a Schiff base-palladium(II) complex anchored on magnetic nanoparticles (SB-Pd@MNPs) as a highly active nanomagnetic catalyst for Suzuki-Miyaura cross-coupling reactions between phenylboronic acid and aryl halides and for the reduction of nitroarenes using sodium borohydride in an aqueous medium at room temperature. The SB-Pd@MNPs nanomagnetic catalyst shows notable advantages such as simplicity of operation, excellent yields, short reaction times, heterogeneous nature, easy magnetic work up and recyclability. Characterization of the synthesized SB-Pd@MNPs nanomagnetic catalyst was performed with various physicochemical methods such as attenuated total reflectance infrared spectroscopy, UV-visible spectroscopy, inductively coupled plasma atomic emission spectroscopy, energy-dispersive X-ray spectroscopy, field-emission scanning electron microscopy, transmission electron microscopy, powder X-ray powder diffraction, thermogravimetric analysis and Brunauer-Emmett-Teller surface area analysis.
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