The synthesis of 1,1′-(1,3,7,9-tetrahydroxy-2,8-dimethyldibenzofuran-4,6-diyl)-2,3′-dimethylbisbutan-1-one (ψ-rhodomyrtoxin)(2) is described. Intramolecular Ullmann reaction of bis(2-iodo-3,5-dimethoxy-4-methylphenyl) ether (8) yielded 1,3,7,9-tetramethoxy-2,8-dimethyldibenzofuran (9) which was converted, in subsequent steps, into the natural product.
C. F. Carvalho and M. V. Sargent, J. Chem. Soc., Perkin Trans. 1, 1984, 2573 DOI: 10.1039/P19840002573
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