81517-80-8Relevant articles and documents
Homologues of Monocyclic Monoterpenes. Tetramethylated Derivatives of Carvone, Carveol, β-Terpineol, Sobrerol, and Related Compounds
Giguere, Raymond J.,Ilsemann, Godard von,Hoffmann, H. M. R.
, p. 4948 - 4954 (2007/10/02)
Epoxidation of tetramethyllimonene (1) gave monoepoxide 2t, which was opened regioselectively to endo and exo tetramethylated trans-carveols 3t and 5t, respectively.The alcohols were further oxidized to tetramethylcarvone (4) and its unstable exocyclic is