Abstract

The bromobenzene-derived and enantiopure cis-1,2-dihydrocatechol 3 has been converted, via a reaction sequence involving Diels–Alder cycloaddition, anionic oxy-Cope rearrangement and Wolff ring-contraction steps, into compound 4 and epimer 24, which embody key structural elements associated with the nonadride-type natural products CP-225,917 (1) and CP-263,114 (2).

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