Stereochemical assignments of rubiaquinones A–C, naphthoquinone derivatives from Rubia yunnanensis
Abstract
Three new naphthoquinone derivatives, rubiaquinones A–C (1–3), were isolated from the roots of Rubia yunnanensis. Rubiaquinone A (1) was a racemic naphthoquinone dimer consisting of a 1,4-dihydroxynaphthalene and a 4-hydroxy-1,2-naphthoquinone moieties with a 2-oxo-propyl group. Rubiaquinones B (2) and C (3) were structurally unique trimeric naphthoquinones with a racemic nature possessing one chiral axis and one chiral carbon in common. The...
Paper Details
Title
Stereochemical assignments of rubiaquinones A–C, naphthoquinone derivatives from Rubia yunnanensis
Published Date
Nov 1, 2017
Journal
Volume
58
Issue
48
Pages
4568 - 4571
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