Abstract
The structure of the title compound, a cyclic ether acetate lactone, has been established uniquely by X-ray crystallography. C16H24O4 is orthorhombic, space groupP212121, with the cell dimensionsa=7.524(2),b=10.686(2),c=19.472(2) A,V=1565.6(4) A3,Z=4,Mr=280.4,Dx=1.19 g cm−3,Do=1.20 g cm−3,F(000)=608,T=293 K, finalR=0.050. The two cyclohexane ring junction iscis while the lactone ring junction istrans. Both the cyclohexane rings have the chair conformation and the γ-lactone ring has an envelope conformation with C(7) being at the tip of the flap. The acetoxy side chain isα-equatorial. There is an intramolecular C-H---O interaction C(4)⋯O(4)=2.666(4) A.
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