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Calodendrolide, C15H16O4, has its epoxide β oriented and its 3′-furyl group α oriented. There are three independent molecules in the asymmetric unit, differing principally in the conformation of the 3′-furyl group with respect to the remainder of the molecule. One has its 3′-furyl O atom α oriented, with O—C—C=C torsion angle 30.7 (4)°, while the other two have their 3′-furyl O atoms β oriented, with O—C—C=C torsion angles −136.9 (3) and −134.5 (3)°. The epoxide is asymmetric, with mean C—O distances 1.436 (2) and 1.464 (2) Å.

Supporting information


Crystallographic Information File (CIF)
Contains datablocks global, da1000


Structure factor file (CIF format)
Contains datablock da1000

CCDC reference: 130162

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