Peroxidative conversion of hemigossypol to gossypol. A revised structure for isohemigossypol
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 4,p. 144-145
- https://doi.org/10.1039/c39760000144
Abstract
Phytoalexins from Gossypium have been identified as hemigossypol (2,3,8-trihydroxy-4-isopropyl-6-methyl-l-naphthaldehyde) and isohemigossypol (2,7,8-trihydroxy-4-isopropyl-6-methyl-l-naphthaldehyde) in separate reports, but comparisons of their u.v.-visible, 1H n.m.r. and mass spectra indicate that they are the same; double resonance studies of the phytoalexin now indicate that the correct structure is hemigossypol, which has been confirmed by dimerization of the phytoalexin to gossypol with the enzyme peroxidase.Keywords
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