Studies on the nepalese crude drugs. XI. On the flavonoid constituents of the aerial parts of Scutellaria discolor COLEBR.

Abstract

From the aerial parts of Scutellaria discolor COLEBR., two new flavones (I and II) were isolated together with chrysin, wogonin, apigenin, luteolin, 5, 7-dihydroxy-8, 2'-dimethoxyflavone, 5, 7, 4'-trihydroy-8-methoxyflavone, 5, 7-dihydroxy-8, 2', 6'-trimethoxyflavone and chrysin 7-O-glucuronide. Compounds I and II were identified as 5, 7, 8-trihydroxyflavone 8-O-β-D-glucuronopyranoside and 5, 7, 2', 6'-tetrahydroxy-8-methoxyflavone 2'-O-β-D-(2-O-caffeoyl)glucopyranoside, based on spectral and chemical data.

Identifiers

DOI

10.1248/cpb.36.3654

Citations and references