Liquid-liquid biphasic synthesis of long chain wax esters using the Lewis acidic ionic liquid choline chloride·2ZnCl2 |
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Authors: | Sadula Sunitha |
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Institution: | Lipid Science and Technology Division, Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500 007, India |
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Abstract: | The first liquid-liquid biphasic synthesis of wax esters in a Lewis acidic ionic liquid, choline chloride·2ZnCl2 by the esterification of long chain carboxylic acids with long chain alcohols is described. The reported reaction system has the advantages of both homogeneous and heterogeneous catalysis with high product yield and the ease of product as well as catalyst separation without the use of an organic solvent. The ionic liquid studied plays the dual role of solvent as well as catalyst and is recycled up to six times without any significant loss of activity. |
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Keywords: | Wax esters Lewis acidic ionic liquid Long chain carboxylic acid Long chain alcohol |
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