94102-99-5Relevant articles and documents
Naturally Occurring Dibenzofurans. Part 6. Synthesis of Didymic Acid
Carvalho, Christopher F.,Sargent, Melvyn V.
, p. 1621 - 1626 (2007/10/02)
The synthesis of the lichen dibenzofuran didymic acid (1) (3-hydroxy-7-methoxy-1-pentyl-9-propyldibenzofuran-2-carboxylic acid) by intramolecular Ullmann coupling of methyl 5-bromo-4-(2-bromo-5-methoxy-3-propylphenoxy)-2-methoxy-6-pentylbenzoate (34) and methyl 5-iodo-4-(2-iodo-5-methoxy-4-nitro-3-propylphenoxy)-2-methoxy-6-pentylbenzoate (32) and appropriate further transformations, is described.
