yellow pigments of Beauveria species. Structures of tenellin and bassianin

yellow pigments of Beauveria species. Structures of tenellin and bassianin

Tenellin and bassianin are deduced from chemical and spectroscopic evidence to be the 3-[(E,E)-4,6-dimethylocta-2,4-dienoyl] and 3-[(E,E,E)-6,8-dimethyldeca-2,4,6-trienoyl] derivatives of 1,4-dihydroxy-5-(p-hydroxyphenyl)-2(1H)-pyridone. Spin-spin coupling information in the 1 H and 13 C nuclear mag...

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Veröffentlicht in:Canadian journal of chemistry 1977-12, Vol.55 (23), p.4090-4098
Hauptverfasser: Wat, C.K, McInnes, A.G, Smith, D.G, Wright, J.L.C, Vining, L.C
Format: Artikel
Sprache:eng
Schlagworte:
plant biochemistry
plant health
plant physiology
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Zusammenfassung:Tenellin and bassianin are deduced from chemical and spectroscopic evidence to be the 3-[(E,E)-4,6-dimethylocta-2,4-dienoyl] and 3-[(E,E,E)-6,8-dimethyldeca-2,4,6-trienoyl] derivatives of 1,4-dihydroxy-5-(p-hydroxyphenyl)-2(1H)-pyridone. Spin-spin coupling information in the 1 H and 13 C nuclear magnetic resonance spectra after biosynthetic enrichment of tenellin with 13 C and 15 N isotopes was a valuable aid in elucidating the structure.
ISSN:0008-4042
1480-3291
DOI:10.1139/v77-580