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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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A new diels-alder-type adduct flavonoid from Dorstenia barteri.

A new Diels-Alder-type adduct, dorstenone (1), was isolated from Dorstenia barteri together with three known flavonoids, 4,2', 4'-trihydoxy-3'-prenylchalcone; 4,2',4'-trihydoxy-3, 3'-diprenylchalcone; and 5,7,4'-trihydoxy-8-prenylflavone. The structure of 1 was elucidated using a combination of highfield NMR techniques, particularly, gradient-enhanced HMQC and HMBC.[1]

References

  1. A new diels-alder-type adduct flavonoid from Dorstenia barteri. Tsopmo, A., Tene, M., Kamnaing, P., Ayafor, J.F., Sterner, O. J. Nat. Prod. (1999) [Pubmed]
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