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Biochem J. 1965 Nov;97(2):444-8. doi: 10.1042/bj0970444.

C-Glycosylflavonoids. The chemistry of orientin and iso-orientin.

The Biochemical journal

B H Koeppen

Affiliations

  1. Department of Food Science, University of Stellenbosch, Stellenbosch.

PMID: 16749149 PMCID: PMC1264660 DOI: 10.1042/bj0970444

Abstract

1. The structures of orientin and iso-orientin have been investigated by periodic acid and ferric chloride oxidation of the tetra-O-methyl derivatives and by identification of the products of oxidation. 2. The preparation and properties of the 3',4',7-trimethyl ethers of orientin and iso-orientin are described, and the nuclear-magnetic-resonance spectra of orientin, iso-orientin and their tri- and tetra-O-methyl derivatives are discussed. 3. Orientin and iso-orientin are formulated as 8- and 6-C-beta-d-glucopyranosyl-luteolin respectively.

References

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