Acta Cryst. (2005). E61, o3966-o3967  [ doi:10.1107/S1600536805035099 ]

(3S,5R,6S,7S,10S,11R,15S,18R,19R)-12,12-Dimethyl-2-methylene-1,17-dioxo-9,16-dioxapentacyclo[14.2.1.0^6,18.0^7,11.0^7,15]nonadeca-5,10,19-triyl triacetate

H. Shi

Abstract: The title compound, C₂₆H₃₂O₁₀, was prepared from macrocalyxin A and is built up from five fused rings, three six-membered and two five-membered. The relative absolute configuration was deduced from the known configuration of the starting material.

Online 5 November 2005

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