Six New Constituents from the Roots of  Erythrina variegata | Zendy

Tanaka Hitoshi | Zendy; Hirata Miyuki | Zendy; Etoh Hideo | Zendy; Sako Magoichi | Zendy; Sato Masaru | Zendy; Murata Jin | Zendy; Murata Hiroko | Zendy; Darnaedi Dedy | Zendy; Fukai Toshio | Zendy

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Six New Constituents from the Roots of Erythrina variegata

Author(s) -

Tanaka Hitoshi,

Hirata Miyuki,

Etoh Hideo,

Sako Magoichi,

Sato Masaru,

Murata Jin,

Murata Hiroko,

Darnaedi Dedy,

Fukai Toshio

Publication year - 2004

Publication title -

chemistry and biodiversity

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.427

H-Index - 70

eISSN - 1612-1880

pISSN - 1612-1872

DOI - 10.1002/cbdv.200490082

Subject(s) - erythrina , chemistry , staphylococcus aureus , stereochemistry , derivative (finance) , aryl , antibacterial activity , traditional medicine , organic chemistry , bacteria , biology , medicine , genetics , alkyl , financial economics , economics

Three new isoflavonoids, eryvarins M–O ( 1 – 3 ), two new 2‐arylbenzofurans, eryvarins P and Q ( 4 and 5 ), and a new 3‐aryl‐2,3‐dihydrobenzofuran, eryvarin R ( 6 ), together with three known compounds, were isolated from the roots of Erythrina variegata. The structures of these compounds were established by spectroscopic analysis. Eryvarin R ( 6 ) is an unusual 3‐aryl‐2,3‐dihydrobenzofuran derivative with a formyl (CHO) group. Eryvarin Q ( 5 ) showed potent antibacterial activity against methicillin‐resistant Staphylococcus aureus.

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