(S)-(+)-Homoterpenyl Methyl Ketone

In (+)-5,5-dimethyl-4-(3-oxobutyl)tetrahydrofuran-2-one, C₁₀H₁₆O₃, the absolute configuration at the chiral carbon atom is S. The five-membered ring adopts a deformed envelope conformation with the asymmetric carbon atom being in the flap position. The oxobutyl group is planar.

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