(-)-14β-Hydroxymatrine, a New Lupine Alkaloid from the Roots of Sophora tonkinensis

Ping XIAO; Jiashi LI; Hajime KUBO; Kazuki SAITO; Isamu MURAKOSHI; Shigeru OHMIYA

doi:10.1248/cpb.44.1951

Ping XIAO, Jiashi LI, Hajime KUBO, Kazuki SAITO, Isamu MURAKOSHI, Shigeru OHMIYA

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Keywords: lupine alkaloid, quinolizidene alkaloid, (-)-14β-hydroxymatrine, absolute structure, (+)-matrine, Leguminosae

JOURNAL FREE ACCESS

1996 Volume 44 Issue 10 Pages 1951-1953

DOI https://doi.org/10.1248/cpb.44.1951

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Abstract

A new lupine alkaloid, (-)-14β-hydroxymatrine (1) was isolaed from the dry roots of Sophora tonkinensis together with 11 known lupine alkaloids. The absolute structure (5S, 6S, 7R, 11R, 14S) of the new base was confirmed by comparison of the natural product with a synthetic sample derived from (+)-matrine.

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