Journal of Lipid Research, Vol. 7, 277-284, March 1966
Copyright © 1966 by Lipid Research, Inc.

Synthesis and characterization of 1- and 2-monoglycerides of anteiso fatty acids

B. Serdarevich and K. K. Carroll

The Collip Medical Research Laboratory, The University of Western Ontario, London, Canada

The branched-chain fatty acids d-(+)-12-methyltetradecanoic acid (C₁₅ anteiso) and d-(+)-14-methylhexadecanoic acid (C₁₇ anteiso) were isolated from the lipids of Listeria monocytogenes and their 1- and 2-monoglycerides were prepared. Reaction intermediates and products were purified without isomerization by column chromatography. Thin-layer chromatography on Florisil impregnated with boric acid and nuclear magnetic resonance were used in characterizing the 1- and 2-monoglycerides. The value of the latter method for analyzing glyceride structure is discussed.

Supplementary key words bacterial lipids • anteiso fatty acids • 1- and 2-monoglycerides • synthesis • chromatography • column • thin-layer • silica gel-boric acid • gas-liquid • nuclear magnetic resonance • isomerization • glyceride structure • monocytosis

Submitted on September 3, 1965
Accepted on October 25, 1965

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