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- Publisher
- Springer Journals
- Copyright
- Copyright © 2013 by Springer Science+Business Media Dordrecht
- Subject
- Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
- ISSN
- 0922-6168
- eISSN
- 1568-5675
- DOI
- 10.1007/s11164-013-1209-x
- Publisher site
- See Article on Publisher Site
Abstract
Several Cu-based catalysts were prepared and investigated for reductive alkylation of p-nitroaniline with butanone. Performance of Cu–Cr–Ca/γ-Al2O3 was excellent. N,N’-di-sec-butyl-p-phenylenediamine was obtained in approximately 98.0 % yield under mild conditions. Results from XRD, XPS, and NH3-TPD characterization revealed that introduction of Cr remarkably improved the dispersion of Cu0 active sites whereas addition of Ca partly reduced the strong acid capacity of the catalyst. The reaction conditions, including reaction temperature and hydrogen pressure, were also optimized and the catalyst performed well for 100 h under the optimized conditions.
Journal
Research on Chemical Intermediates – Springer Journals
Published: May 14, 2013