knoxia valerianoides/glycoside

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Chromone glycosides from Knoxia corymbosa.

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Four new chromone glycosides, corymbosins K1-K4 (3-6), together with two known compounds, noreugenin (1) and undulatoside A (2), were isolated from the whole plant of Knoxiacorymbosa (Rubiaceae). The structures of the new compounds were established through extensive NMR or X-ray spectroscopic

[Studies on the chemical constituents of Knoxia corymbosa].

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OBJECTIVE To study the chemical constituents of Knoxia corymbosa Willd. METHODS Chromatography was used to isolate and purify the chemical constituents, their structures were identified by spectral analysis. RESULTS Four flavonol glycosides were identified as

How to deal with nomenclatoral ambiguities of trivial names for natural products?--a clarifying case study exemplified for "corymbosin".

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Many names of plant secondary compounds that have been isolated and identified in the course of phytochemical investigations are based either on the vernacular or Latin names of the source plants, are constructed according to rules of chemical nomenclature, or consist of in-between forms. Trivial

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