alexa Isoprenylated flavonoids from the stem bark of Erythrina abyssinica.
Chemistry

Chemistry

Natural Products Chemistry & Research

Author(s): Cui L, Ndinteh DT, Na M, Thuong PT, SilikeMuruumu J,

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Abstract Three new prenylated flavanones, abyssinoflavanones V, VI, and VII (1-3), together with eight known flavanones (4-11) and two chalcones (12-13), were isolated from the stem bark of Erythrina abyssinica. Their structures were elucidated on the basis of spectroscopic and physicochemical analyses. All the isolates, with the exception of 1 and 8, strongly inhibited PTP1B activity in an in vitro assay with IC50 values ranging from 14.2 +/- 1.7 to 26.7 +/- 1.2 microM. This article was published in J Nat Prod and referenced in Natural Products Chemistry & Research

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