Studies on the nepalese crude drugs. XII. On the phenolic compounds from the root of Scutellaria prostrata JAcq. ex Benth.
Yuichi KikuchiSchool of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku UniversityYukinori MiyaichiSchool of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku UniversityYumi YamaguchiSchool of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku UniversityHaruhisa KizuSchool of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku UniversityTsuyoshi TomimoriSchool of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University, School of Pharmacy, Hokuriku University
1991en
ABI
Abstract
From the root of Scutellaria prostrata JACQ. ex BENTH., five compounds (I-V) were isolated, together with three known glycosides of phenylethanoid (IV-VIII) and sixteen known flavonoids (IX-XXIV). On the basis of chemical and spectral evidence, I-V were identified as 5, 6, 2', 6'-tetrahydroxy-7, 8-dimethoxyflavone, 5, 6, 2'-trihydroxy-7, 8, 6'-trimethoxyflavone, 5, 7, 2'-trihydroxy-8-methoxyflavone 7-O-β-D-glucuronopyranoside, 2-(3-hydroxy-4-methoxyphenyl)ethyl 1-O-β-D-glucopyranoside and 2-(3-hydroxy-4-methoxyphenyl)ethyl 1-O-β-D-(4-O-feruloyl)glucopyranoside, respectively. Compound II has already been synthesized.
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