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Showing 1 to 8 of 8 for “"methyl ketones"”.
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Characterization and control of ketonic rancidity in the lauric acid oils.
… fatty acids (C6 to C14) are converted into methyl ketones (C5 to C13) by certain fungi. Ketonicrancidity will not occur in fats and oils that do not contain these fatty acids. Fermentation experiments with whole oils and simple triglycerides confirmed that only short and intermediate carbon …
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Kinetics of Methyl Ketone and Levulinic Acid Oxidative Scission Over Supported Vanadium Oxide Catalysts
… to maleic anhydride (MA) in high yields through methyl a-carbon oxidative scission over supported vanadium oxide catalysts. However, the high selectivity of methyl scission during LA oxidation appears to be unexpected according to the trends observed during the analogous oxidative scission of …
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The supercritical fluid extraction and chromatographic analysis of fatty acids in blue cheese
… due to the short and medium chain fatty acids, methyl ketones and secondary alcohols. The free fatty acids contribute flavor themselves and are also precursors of methyl ketones. Lipase action during the cheese ripening leads to formation of free fatty acids (FFA). The short chain FFA (C6 to …
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Synthesis and Characterization of Hetero- and Homobimetallic Complexes of New Hard-Soft Binucleating Ligands
… via the Claisen condensation of orthosubstituted methyl benzoate compounds with the potassium enolate of methyl ketones. The new binucleating ligands prepared in this work include phosphine, thioether and quinoline substituted (beta)-diketones along with the Schiff-base derivatives of the …
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Conversion of triacylglycerols into monoacylglycerols by penicillium roquefortii
… - Mass Spectrometry (GC-MS) of the MAG trimethylsilyl ether derivatives to determine the identification, fatty acid composition and structural isomers of the individual MAG. The main monoacylglycerols produced by spores and emerging mycelium were 1(3)-monoacylsn-lycerols (in suspension …
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Control of regioselectivity:oxidation and deprotection
… reaction of terminal alkenes is known to produce methyl ketones. However, it is shown that the Wacker reaction of styrenes is unusual; under reoxidant-free conditions, the reaction proceeds to give aldehydes as the major products. The scope of this transformation is probed with a series of …