Synthetic studies on terpenoids. Part XV. Syntheses of 8β-methyl-podocarpanes
Abstract
Stereospecific syntheses of 3-acetoxy-8β,13α-dimethylpodocarpan-12-one (IX), the corresponding Δ13-ketone (XI), and 3-acetoxy-8β-methylpodocarpa-5,9(11),13-trien-12-one (XII) are described.