Efficient chemical synthesis of (epi)catechin glucuronides: brain-trgeted metabolites for treatment of Alzheimer’s disease and other neurological disorders

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dc.creatorDocampo-Palacios, Maite Loreto
dc.creatorAlvarez Hernández, Anislay
dc.creatorFátima, Ângelo de
dc.creatorLiao, Luciano Morais
dc.creatorPasinetti, Giulio Maria
dc.creatorDixon, Richard A.
dc.date.accessioned2024-02-29T12:33:29Z
dc.date.available2024-02-29T12:33:29Z
dc.date.issued2020-11-24
dc.description.abstractGrape seed extract (GSE) is rich in flavonoids and has been recognized to possess human health benefits. Our group and others have demonstrated that GSE is able to attenuate the development of Alzheimer’s disease (AD). Moreover, our results have disclosed that the anti-Alzheimer’s benefits are not directly/solely related to the dietary flavonoids themselves, but rather to their metabolites, particularly to the glucuronidated ones. To facilitate the understanding of regioisomer/stereoisomer-specific biological effects of (epi)catechin glucuronides, we here describe a concise chemical synthesis of authentic standards of catechin and epicatechin metabolites 3–12. The synthesis of glucuronides 9 and 12 is described here for the first time. The key reactions employed in the synthesis of the novel glucuronides 9 and 12 include the regioselective methylation of the 4′-hydroxyl group of (epi)catechin (≤1.0/99.0%; 3′-OMe/4′-OMe) and the regioselective deprotection of the tert-butyldimethylsilyl (TBS) group at position 5 (yielding up to 79%) over the others (3, 7 and 3′ or 4′).
dc.identifier.citationDOCAMPO-PALACIOS, Maite L. et al. Efficient chemical synthesis of (epi)catechin glucuronides: brain-trgeted metabolites for treatment of Alzheimer’s disease and other neurological disorders. ACS Omega, Washington, v. 5, n. 46, p. 30095-30110, 2020. DOI: 10.1021/acsomega.0c04512. Disponível em: https://pubs.acs.org/doi/10.1021/acsomega.0c04512. Acesso em: 16 fev. 2024.
dc.identifier.doi10.1021/acsomega.0c04512
dc.identifier.issne- 2470-1343
dc.identifier.urihttp://repositorio.bc.ufg.br//handle/ri/24439
dc.language.isoeng
dc.publisher.countryEstados unidos
dc.publisher.departmentInstituto de Química - IQ (RMG)
dc.rightsAcesso Aberto
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleEfficient chemical synthesis of (epi)catechin glucuronides: brain-trgeted metabolites for treatment of Alzheimer’s disease and other neurological disorders
dc.typeArtigo

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