Naturally Occurring Dibenzofurans. VIII The Synthesis of Isodidymic acid
The synthesis of the lichen dibenzofuran isodidymic acid (2) (3-hydroxy-7-methoxy-9-pentyl-1-propyldibenzofuran-2-carboxylic acid) by intramolecular Ullmann coupling of methyl 3-iodo-4-(2'-iodo-5'-methoxy-3'-pentylphenoxy)-6-methoxy-2-propylbenzoate (22), and further transformations, is described.
Carvalho, Christopher F.,Sargent, Melvyn V.
p. 1765 - 1773
(2007/10/02)
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