3-[5-(4-Acetyl-3-hydroxy-2-methyl-phenoxymethyl)-[1,2,4]oxadiazol-3-ylmethyl]-benzoic acid → 4-[5-(4-Acetyl-3-hydroxy-2-methyl-phenoxymethyl)-[1,2,4]oxadiazol-3-ylmethyl]-benzoic acid

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Reaction Steps

The title compound is prepared essentially as described for 3-[5-(4-acetyl-3-hydroxy-2-methyl-phenoxymethyl)-[1,2,4]oxadiazol-3-ylmethyl]-benzoic acid of Example 146, employing 1-{2-hydroxy-4-[3-(4-iodo-benzyl)-[1,2,4]oxadiazol-5-ylmethoxy]-3-methyl-phenyl}-ethanone. 1H NMR (DMSO-d6) δ 12.84 (s, 1H), 12.80 (s, 1H), 7.86 (m. 2H), 7.78 (d, 1H), 7.38 (d, 2H), 6.67 (d, 1H), 5.60 (s, 2H), 4.19 (s, 2H), 2.55 (s, 3H), 1.99 (s, 3H). LC-MS (m/e): 381 (M−1).

Provenance & Evidence