2008•Chemical and Pharmaceutical BulletinOpen access

New Lanostane Triterpene Lactones from the Vietnamese Mushroom Ganoderma colossum (FR.) C. F. BAKER

Riham Salah El Dine, Ali M. El‐Halawany, Norio Nakamura, Chao‐Mei Ma, Masao Hattori

Abstract

Four new lanostane triterpene lactones (colossolactone I, colossolactone II, colossolactone III and colossolactone IV) were isolated from the Vietnamese mushroom Ganoderma colossum (FR.) C. F. BAKER along with five known compounds. The structures of the new compounds were determined on the basis of MS, NMR and circular dichroism.

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Key concepts: Lanostane, Triterpene, Chemistry, Mushroom, Stereochemistry, Circular dichroism, Agaricales, Ganoderma lucidum