4.7 Article

Cost-efficient and user-friendly 17O/18O labeling procedures of fatty acids using mechanochemistry

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 55, Pages 6812-6815

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc02165f

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Funding

  1. European Research Council under the European Union's Horizon 2020 research and innovation program [772204]
  2. CNRS FTICR research infrastructure [FR3624]
  3. European Research Council (ERC) [772204] Funding Source: European Research Council (ERC)

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Two mechanochemical procedures were used for O-17/O-18-isotope labeling of fatty acids, resulting in high purity and enrichment levels of the products.
Two mechanochemical procedures for O-17/O-18-isotope labeling of fatty acids are reported: a carboxylic acid activation/hydrolysis approach and a saponification approach. The latter route allowed first-time enrichment of important polyunsaturated fatty acids (PUFAs) including docosahexaenoic acid (DHA). Overall, a total of 9 pure labeled products were isolated in high yields (>= 80%) and with high enrichment levels (>= 37% average labeling of C=O and C-OH carboxylic oxygen atoms), under mild conditions, and in short time (

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