By Fred Snyder
Ether Lipids: Chemistry and Biology presents the most important study breakthroughs within the chemistry and biology of ether lipids.
This ebook includes sixteen chapters and starts with the heritage of reviews of ether lipids. the following chapters care for the chemical syntheses, analytical tactics, organic results, and metabolic pathways of those lipids. significant chapters are dedicated to the biochemical features of ether lipids in varied species, resembling mammals, birds, marine organisms, mollusks, protozoal, micro organism, and vegetation. those chapters additionally illustrate the suitability and usability of a number of the tissues to clarify the position of those lipids in dwelling structures.
This textual content can be of price to chemists, biologists, biomedical scientists and researchers, and graduate scholars.
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Extra resources for Ether Lipids: Chemistry and Biology
Perhaps the II. CHEMISTRY AND MEASUREMENT OF ETHER-LINKED LIPIDS 35 most important characteristic for distinguishing between 1- and 2-alkyl glyceryl ethers is the protons attached to glycerol carbons. The spectra displayed by these two ethers were distinctly different. Mass spectrometry coupled with GLC is of considerable advantage in establishing the structure of glyceryl ethers and their derivatives. An early study employing this combined technique was that of Hallgren and Larsson (1962), who investigated the structure of the dimethyl ethers of 1-octadecylglycerol (batyl alcohol) and l-m-9-oetadeeenylglycerol (selachyl alcohol).
Such anomalous behavior led Stein and Slawson (1966) to investigate the GLC behavior of a representative acetal, the dimethyl acetal of octadecanal. This compound underwent a significant alteration on certain column phases to yield methyl octadec-l-enyl ether or octadecanal. The presence of acid in the sample accelerated the conversion. 0 from m-alk-l-enyl ether. On the basis of their observations, Stein and Slawson proposed the following reaction to explain the elimination of a molecule of methanol: Η i/OCH3 RCH 2C N t>CH„ Η I RCH 2C-OCH 3 O— CH 3 A -AOCH3 + V - RCH2CHOCH3 -H + Initial attack by a Lewis acid, A, occurs on the acetal oxygen with subsequent formation of a carbonium ion, which then loses a proton.
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Ether Lipids: Chemistry and Biology by Fred Snyder