Antifungal steroidal glycosides from the patagonian starfish anasteriasminuta: structure-activity correlations.

@article{Chludil2002AntifungalSG,
  title={Antifungal steroidal glycosides from the patagonian starfish anasteriasminuta: structure-activity correlations.},
  author={Hugo Daniel Chludil and Alicia M. Seldes and Marta S Maier},
  journal={Journal of natural products},
  year={2002},
  volume={65 2},
  pages={
          153-7
        }
}
Two new sulfated steroidal hexaglycosides, anasterosides A (2) and B (3), along with the known versicoside A (1) have been isolated from the Patagonian starfish Anasterias minuta. Their structures have been elucidated by spectroscopic analysis (NMR and FABMS) and chemical transformations. Compounds 1 and 2 and the synthetic pentaglycoside 1b derived from versicoside A showed antifungal activity against the plant pathogenic fungus Cladosporium cucumerinum. Desulfation of hexaglycoside 1 rendered… CONTINUE READING
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