Betaenone A

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Betaenone A
Betaenone A skeletal.svg
CAS number 85269-22-3
PubChem 5478031
ChemSpider 4585641
Jmol-3D images Image 1
Molecular formula C21H34O5
Molar mass 366.49 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Betaenone A, like other betaenones (B and C), is a secondary metabolite isolated from the fungus Pleospora betae, a plant pathogen.[1] Of the seven phytotoxins isolated in fungal leaf spots from sugar beet (Beta vulgaris), it showed 73% growth inhibition.[2]

Molecular structures of betaenone A, B and C.


  1. ^ Ichihara A.; Oikawa, Hideaki; Hayashi, Kazuko; Sakamura, Sadao; Furusaki, Akio; Matsumoto, Takeshi (1983). "Structures of Betaenones A and B, Novel Phytotoxins from Phoma betae Fr.". J. Am. Chem. Soc. 105: 2907–2908. doi:10.1021/ja00347a070. 
  2. ^ Haraguchi, T.; Oguro, Mieko; Nagano, Hiroshi; Ichihara, Akitami; Sakamura, Sadao (1983). "Specific inhibitors of eukaryotic DNA synthesis and DNA polymerase α, 3-deoxyaphidicolin and aphidicolin-17-monoacetate". Nucleic Acid Res. 11: 1197–2000. doi:10.1093/nar/11.4.1197.