Preparation of 2,2,7-Trimethyloct-6-en-3-one from cineole

Abstract

2,2,7-Trimethyloct-6-en-3-one is formed by decomposition of two tetrahydropyran derivatives derived from cineole. A rational synthesis of this ketone from 3,3-dimethylbutan-2-one and 1-bromo-3-methylbut-2- ene is also reported.