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- Title
The heterogenization of L-phenylalanine-Ru(III) complex and its application as catalyst in esterification of ethyl alcohol with acetic acid.
- Authors
Adam, Farook; Hello, Kasim Mohammed; Suk-Jin Chai
- Abstract
A simple route is demonstrated for the efficient immobilization of silica with L-(N-α-acetylphenylalanine) - ruthenium(III) complex. This catalyst was labelled as RHAPhe-Ru. The 29;Si MAS NMR showed the presence of T³, T², Q³ and Q4; silicon centers. The 13;C MAS NMR showed the presence of three chemical shifts consistent with the three carbon atoms of the propyl group. The catalytic performance of RHAPhe-Ru was tested in the esterification of ethyl alcohol. A conversion of 82% was achieved, with 100% selectivity towards ethyl acetate. The catalyst could be regenerated by washing with ethanol and drying at 110 °C for 24 h without significant loss in reactivity.
- Subjects
PHENYLALANINE; ETHANOL; ACETIC acid; SILICA; RUTHENIUM; MAGNETIC resonance imaging; ESTERIFICATION
- Publication
Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A, 2012, Vol 90, Issue 5, p633
- ISSN
0263-8762
- Publication type
Article
- DOI
10.1016/j.cherd.2011.09.009