Add time:08/20/2019         Source:sciencedirect.com

SummaryDuring gas chromatography on a polyester column, the principal effect of bromine substituents on a fatty ester molecule was to increase the retention time in proportion to the increase in molecular weight. Secondary effects arose from configurational isomerism. Methyl threo-9,10-dibromooactadecanoate was retained longer than the erythro diastereoisomer. The chromatographic difference between diastereoisomers was attributed to a change in dipole moment.

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