volume 131, issue 2, P215-222 2004
DOI: 10.1016/j.chemphyslip.2004.06.001
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Abstract: A simple and reliable method for synthesizing four isomers of parinaric acid from alpha-linolenic acid (ALA) in high yields is described. The methylene-interrupted, cis triene system (1,4,7-octatriene) of ALA and common to other naturally occurring polyunsaturated fatty acids was transformed to a conjugated tetraene system (1,3,5,7-octatetraene). The synthesis involves bromination of ALA using 0.l M Br(2) in a saturated solution of NaBr in methanol, esterification of the fatty acid dibromides, double dehydrobr…

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