Related Experiment Video
Updated: Jan 20, 2026
Purification of Alkenones via Saponification for Uk'37 Paleothermometry
Published on: April 30, 2023
Efficient Conversion of Renewable Unsaturated Fatty Acid Methyl Esters by Cross-Metathesis with Eugenol
Duy Le1, Chanatip Samart1, Ken Tsutsumi2
1Department of Chemistry, Faculty of Science and Technology, Thammasat University, Klong Luang, Pathumthani 12120, Thailand.
Abstract:
Cross-metathesis of unsaturated fatty acid methyl esters (methyl oleate (MO), methyl petroselinate (MP), and methyl erucate (ME), obtained from vegetable oils) with eugenol (obtained from clove oil) proceeded under green, mild conditions (in 2-propanol or ethanol at 50 °C) in the presence of a ruthenium-carbene catalyst (called a second-generation Grubbs catalyst). These metathesis reactions proceeded with both high conversion (>90% of MO, MP) and selectivity (>98%) even with low catalyst loading (0.1 mol % Ru).
Related Concept Videos
Conversion of Fatty Acid Methyl Esters by Saponification for Uk'37 Paleothermometry
The product of an organic solvent extraction, a total lipid extract (TLE), is often a complex mixture of hundreds, if not thousands, of different compounds. The researcher is often only interested in a handful of compounds or, if interested in many, may need to remove unwanted constituents that are"in the way" or co-eluting. For example, the concentrations of individual compounds in a sample are often determined on a gas...
Preparation of Fatty Acid Methyl Esters (FAMEs) from Bacterial Biomass
08:41Identification of Fatty Acids in Bacillus cereus
07:44Analysis of Fatty Acid Content and Composition in Microalgae
09:38Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans
Hydrolysis of an Ester
Triglycerides are triester molecules composed of a glycerol backbone that is bound to 3 fatty acids. These form the basis of many biological lipids that are found in vegetable oils and fats. Lipids that are isolated from plant material are the basis of vegetable oils, whereas lipids extracted from animals are used as lard or general sources of fats.
A fatty acid molecule has a long carbon chain — between 12 and 20 carbons — with a weak organic acid at one end. Some...
