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Three new coumarins and a new coumarin glycoside from Micromelum integerrimum / 中国天然药物
Chinese Journal of Natural Medicines (English Ed.) ; (6): 621-625, 2021.
Article Dans Anglais | WPRIM | ID: wpr-888790
ABSTRACT
Three new coumarins, integmarins A-C (1-3), and a new coumarin glycoside, integmaside A (4) were isolated from the leaves and stems of Micromelum integerrimum. Their structures were elucidated on the basis of 1D and 2D NMR and MS data, and their absolute configurations were assigned according to the ECD data of the in situ formed transition metal complexes and comparison of experimental and calculated ECD data. Compounds 1 and 2 are two rare coumarins with butyl and propyl moieties at the C-6 position; compound 3 is a novel coumarin with a highly oxidized prenyl group, and compound 4 is a rare bisdihydrofuranocoumarin glycoside.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Structure moléculaire / Tiges de plante / Feuilles de plante / Coumarines / Rutaceae / Hétérosides langue: Anglais Texte intégral: Chinese Journal of Natural Medicines (English Ed.) Année: 2021 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Structure moléculaire / Tiges de plante / Feuilles de plante / Coumarines / Rutaceae / Hétérosides langue: Anglais Texte intégral: Chinese Journal of Natural Medicines (English Ed.) Année: 2021 Type: Article