Synthesis of cuparene and herbertene via a common intermediate
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DOI
10.1039/a904068d
Abstract
A dihydroisobenzofuran (13) was obtained from beta-ionone in 10 steps via an intramolecular Diels-Alder reaction. On further oxidation, reductive ring opening and decarboxylation, cuparene and herbertene were synthesized.