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Molecules 2011, 16(4), 3029-3036; doi:10.3390/molecules16043029

Preparation and Characterization of Chitin Benzoic Acid Esters

, , , ,  and *
Department of Bionanochemistry, School of Natural Sciences, Wonkwang University, Iksan, Chonbuk 570-749, Korea
* Author to whom correspondence should be addressed.
Received: 1 February 2011 / Revised: 31 March 2011 / Accepted: 2 April 2011 / Published: 8 April 2011
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Chitin benzoic acid esters were prepared using a phosphoryl mixed anhydride method. The products were characterized by 1H-NMR and FT-IR spectroscopy. FT-IR analysis revealed that the degree of O-acyl substitution of the products was in a range of 1.17–1.83. Morphological surface changes in the parent molecule due to the introduction of benzoic acid moieties were observed by scanning electron microscopy. The surface of the products was porous, in contrast to the sheet-shape of the parent molecules. The solubility of the products, which improved with increased degree of acid substitution, was tested in various organic solvents.
Keywords: acylation; chitin benzoate; benzoic acid; trifluoroacetic anhydride; phosphoric acid acylation; chitin benzoate; benzoic acid; trifluoroacetic anhydride; phosphoric acid
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bhatt, L.R.; Kim, B.M.; Hyun, K.; Kwak, G.B.; Lee, C.H.; Chai, K.Y. Preparation and Characterization of Chitin Benzoic Acid Esters. Molecules 2011, 16, 3029-3036.

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