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Enzymatic synthesis of fatty hydroxamic acid derivatives based on palm kernel oil.


Citation

Jahangirian, Hossein and Haron, Md. Jelas and Yusof, Nor Azah and Silong, Sidik and Kassim, Anuar and Rafiee Moghaddam, Roshanak and Peyda, Mazyar and Gharayebi, Yadollah (2011) Enzymatic synthesis of fatty hydroxamic acid derivatives based on palm kernel oil. Molecules, 16 (8). pp. 6634-6644. ISSN 1420-3049; ESSN:1420-3049

Abstract

Fatty hydroxamic acid derivatives were synthesized using Lipozyme TL IM catalyst at biphasic medium as the palm kernel oil was dissolved in hexane and hydroxylamine derivatives were dissolved in water: (1) N-methyl fatty hydroxamic acids (MFHAs); (2) N-isopropyl fatty hydroxamic acids (IPFHAs) and (3) N-benzyl fatty hydroxamic acids (BFHAs) were synthesized by reaction of palm kernel oil and N-methyl hydroxylamine (N-MHA), N-isopropyl hydroxylamine (N-IPHA) and N-benzyl hydroxylamine (N-BHA), respectively. Finally, after separation the products were characterized by color testing, elemental analysis, FT-IR and 1H-NMR spectroscopy. For achieving the highest conversion percentage of product the optimum molar ratio of reactants was obtained by changing the ratio of reactants while other reaction parameters were kept constant. For synthesis of MFHAs the optimum mol ratio of N-MHA/palm kernel oil = 6/1 and the highest conversion was 77.8%, for synthesis of IPFHAs the optimum mol ratio of N-IPHA/palm kernel oil = 7/1 and the highest conversion was 65.4% and for synthesis of BFHAs the optimum mol ratio of N-BHA/palm kernel oil = 7/1 and the highest conversion was 61.7%.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Faculty of Engineering
DOI Number: https://doi.org/10.3390/molecules16086634
Publisher: MDPI
Keywords: Benzyl fatty hydroxamic acids; Methyl fatty hydroxamic acids; Isopropyl fatty hydroxamic acids; Enzymatic reaction; Palm kernel oil; Lipozyme.
Depositing User: Nur Farahin Ramli
Date Deposited: 20 Sep 2013 02:31
Last Modified: 06 Oct 2015 02:24
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.3390/molecules16086634
URI: http://psasir.upm.edu.my/id/eprint/24629
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