Sterols from the Fungus Catathelasma imperiale
摘要
Eight ergostane-type sterols and three their derivatives (one mono-linoleate and two mono-glucosides) were isolated from the ethyl acetate soluble fraction of the fungus Catathelasma imperi.a/e. Two of them are novel compounds, namely 22E,24R-er-gosta-7,22-diene-3β ,5α-diol-6β-linoleate (1) and 22E, 24R-er-gosta-7,22-diene-3β, 5β, 6α-triol (5) with an uncommon c/s-fused A/B ring. Structures of these compounds were demon-strated on the basis of their chemical evidences and spectroscop-ic methods, especially 2D NMR techniques.
引用本文（GB/T 7714）
杨升平, Jun Xu, 岳建民. Sterols from the Fungus Catathelasma imperiale[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2003.
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