Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 5, Issue 4, Pages 3314-3320Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.6b03167
Keywords
Maghemite-ZnO nanoparticles; Magnetic cleansing Transesterification; Acylation; Sustainable protocol
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Funding
- BCUD, Savitribai Phule Pune University, Pune
- Ministry of Education, Youth and Sports of the Czech Republic [LM2015073, L01305]
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An efficient maghemite-ZnO nanocatalyst has been synthesized via a simple coprecipitation method, where ZnO nanoparticles are uniformly decorated on the maghemite core and characterized by XRD, SEM-EDS, ICP-AES, XPS, TEM, HRTEM, and Mossbauer spectroscopy; maghemite nanoparticles are in the typical size range 10-30 nm with ultrasmall (3-5 nm) ZnO nanoparticles. A competent and benign protocol is reported for various organic transformations, namely, transesterification, amidation, and O-acylation reaction in good to excellent yields (75-97%) using magnetically separable and reusable maghemite ZnO nanocatalyst.
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