Abstract
The acid-catalyzed rearrangement of epoxides 3a, 4a, 6a, and 7a derived from β-himachalene, the major constituent of Cedrus atlantica essential oil, has been studied using various Lewis and Bronsted acids. Several new enantiomerically pure ketones were obtained in good yields and high selectivities. All products obtained were fully characterized by 1H and 13C NMR, and the mechanistic explanations for their formation were proposed.
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