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Barrero, A.F. et al.

Barrero, Oltra, Morales, Alvarez, Rodríguez-García,

Biomimetic cyclization of cnicin to malacitanolide, a cytotoxic eudesmanolide from Centaurea malacitana.

Malacitanolide (2), a new eudesmanolide isolated from the aerial parts of Centaurea malacitana, was characterized spectroscopically. The synthesis of 2 from cnicin (1), via the epoxide 3, confirmed the structure and stereochemistry of malacitanolide, as well as its biogenetic relationship with 1. Cytotoxic activity values for 2 are significantly higher than for 1.[1]

References

Biomimetic cyclization of cnicin to malacitanolide, a cytotoxic eudesmanolide from Centaurea malacitana. Barrero, A.F., Oltra, J.E., Morales, V., Alvarez, M., Rodríguez-García, I. J. Nat. Prod. (1997) [Pubmed]

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