Tirucalla-7,24-dien-3-one (opens in a new tab)

Abstract

The title compound, C30H48O, is a tirucallane triterpenoid which was isolated from the medicinal plant Vismia laurentii. The mol­ecule contains four fused rings, typical of steroids. Ring A adopts a chair conformation, ring B a sofa conformation, ring C a twist conformation and ring D an envelope conformation. The A/B and C/D ring junctions are both trans.

Keywords

• #natural product bioactivities and synthesis
• #toxin mechanisms and immunotoxins
• #plant biochemistry and biosynthesis
• #ring (chemistry)
• #stereochemistry
• #chemistry
• #envelope (radar)
• #engineering
• #telecommunications
• #organic chemistry