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Various 2‐substituted all‐cis‐8,11,14‐eicosatrienoic acids have been prepared via coupling of all‐cis‐6,9,12‐octadecatrienyl methanesulfonate with diethyl malonate, substituted diethyl malonates, ethyl cyanoacetate or ethyl 2‐cyanohexanoate. The substituents are: COOH, COOCH3, COOC4H9, COOC7H15, CH2OH, CH3, C4H9, C6H5, CH2OCH3, NHCOCH3, NH2.HCl, F, OCH3, CN and both CN and C4H9.
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Linde et al. (1975) studied this question.
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