Phytochemistry p. 213 - 216 (1994)
Update date:2022-08-10
Topics:
Kawahara, Nobuo
Sekita, Setsuko
Satake, Motoyoshi
Cyathisterone (ergosta-7,22-diene-3,6-dione) and cyanthisterol (8β-hydroxyergosta-4,6,22-trien-3-one), two new steroids, have been isolated from Calvatia cyanthiformis along with two known ergosterol derivatives, ergosta-4,7,22-triene-3,6-dione and ergosta-4,6,8(14),22-tetraen-3-one.Their molecular structures were defined by spectroscopic means and chemical correlations. - Key words: Calvatia cyathiformis; lycoperdaceae; sterois; cyanthisterone; ergosta-7,22-diene-3,6-dione; cyathisterol; 8β-hydroxyergosta-4,6,22-trien-3-one.
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