J. Clay, D. Hesek, A. Oliver
Jun 23, 2016
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Journal
The Journal of organic chemistry
Abstract
The buffered permanganate oxidation of (-)-myternal, a member of the pinene family, provides the α-hydroxyketone (-)-(1R,3S,5R)-3-hydroxy-6,6-dimethylbicyclo[3.1.1]heptan-2-one in preparative yield (65% on a multigram scale). This α-hydroxyketone is oxidized, in a second reaction, to the α,β-diketone (1R,5R)-6,6-dimethylbicyclo[3.1.1]heptane-2,3-dione ("PinDione"). As both oxidations are fast, simple, safe, inexpensive, good-yielding, and multigram scalable, these transformations are a preparative expansion of the pinane family.