Synthesis of Fatty-Acid Ethanolamides from Linum catharticum Oils and Cololabis saira Fats
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Ethanolamides of polyunsaturated fatty acids (9Z,12Z,15Z-octadecatrienoic; 5Z,8Z,11Z,14Z,17Z-eicosapentaenoic; and 4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoic) and mixtures of ethanolamides of fatty acids from natural fats (oils) were synthesized. It was found that the polyunsaturated fatty acids did not isomerize under the proposed conditions for aminolysis of the ester bond. Conditions for analyzing the complicated mixtures of ethanolamides of fatty acids by HPLC-MS were determined.
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