Study on the bile salt, sodium scymnol sulfate, from Rhizoprionodon acutus. IV. Structures of chimaerol and sodium chimaerol sulfate in the bile of Lamna ditropis and Rhizoprionodon acutus

(20R,24R,25S)-3α,7α,12α,27-Tetra-acet-oxy-24,26-ep-oxy-5β-cholestane

In the title anhydro­scymnol tetra­acetate, C₃₅H₅₄O₉, the fused chair conformation of the cyclo­hexane A/B ring junction is cis with a 5β-H configuration. The compound has a trimethyl­ene oxide ring at position 24,26 and four acetate groups at the 3α,7α,12α,27 positions.