Efficient and Divergent Enantioselective Syntheses of DHPVs and Anti-Inflammatory Effect on IEC-6 Cells.
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| Abstract |
Despite numerous reports on the beneficial effects of catechin or epicatechin contained in tea and cacao extract on human health, a conclusive and precise molecular mechanism has not been elucidated. Metabolism of chemical compounds in gut microbiota recently gained significant attention, and extensive studies have been devoted in this field. In conjunction with these results, our group focused on the anti-inflammatory effects of both enantiomers of DHPV (5-(3',4'-dihydroxyphenyl)-γ-valerolactone), produced in the intestine by microbiota metabolism, on IEC-6 cells. Divergent and efficient enantioselective synthesis of (S)- and (R)-DHPV was efficiently achieved by cross-metathesis and Sharpless asymmetric dihydroxylation as a key reaction for four steps in 16% and 14% overall yields, respectively. The anti-inflammatory effects of two enantiomers were tested on IEC-6 cells, and we found that (S)-DHPV was more active than (R)-DHPV. This result implicates that the metabolite produced in the gut has beneficial effects on IEC-6 cells of rat intestines, and the chirality of the metabolite is important for its anti-inflammatory activity. This also provided information for the future discovery of novel small molecular therapeutics for the treatment of inflammatory bowel disease.
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| Authors | Hyun Su Kim, Sungkyun Chung, Moon-Young Song, Changjin Lim, Hyeyoung Shin, Joonseong Hur, Hyuk Kwon, Young-Ger Suh, Eun-Hee Kim, Dongyun Shin, Seok-Ho Kim |
| Journal | Molecules (Basel, Switzerland) (Molecules) Vol. 25 Issue 9 (May 08 2020) ISSN: 1420-3049 [Electronic] Switzerland |
| PMID | 32397326 (Publication Type: Journal Article) |
| Chemical References |
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