Abstract
AbstractA new approach to the gas chromatographymass spectrometry analysis of cyclopropenoid fatty acids is described. The method is based on the “on‐site”‐modification of the cyclopropenoid ring with AgNO3‐saturated methanol to the methoxymethyl olefin and a subsequent “remote‐site”‐derivatization of the carboxyl group to its 4,4‐dimethyloxazoline. The mass spectra of the isomeric reaction products obtained from malvalic and sterculic acid were found to be useful for locating the original cyclopropenoid ring in the fatty acid chain.
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