Tumor lipids: metabolic relationships derived from structural analyses of acyl, alkyl, and alk-l-enyl moieties of neutral glycerides and phosphoglycerides.
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Biomedical subjects
Publications and source records attributed to F Snyder.
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Dialkyl, alkyl acyl, and diacyl glycerols were resolved as trimethylsilyl ethers and as acetates by gas-liquid chromatography on a nonpolar stationary phase (OV-1). The two types of derivatives proved suitable for quantitative gas chromatographic analysis.
A homologous series (C(10), C(12), C(14), C(16), C(18)) of synthetic O-alkyl and S-alkyl ethers of glycerol was analyzed by gas-liquid chromatography (GLC) and thin-layer chromatography (TLC), and examined by IR and n.m.r. spectroscopy; the physical properties of the O-alkyl and S-alkyl ethers were compared. Isopropylidene derivatives of the glycerol ethers and thioethers were quantitatively analyzed by GLC on polar and nonpolar liquid phases. On a medium polar liquid phase (ethylene glycol succinate), mixtures of the O-alkyl and S-alkyl ethers were completely resolved. Isopropylidene derivatives of glycerol ethers and of thioethers could be separated as classes (though not into individual homologues) by TLC. O-hexadecyl and S-hexadecyl ethers of glycerol are easily distinguished by IR and n.m.r. spectroscopy.
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