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

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Reaction Steps

The title compound is prepared essentially as described for 4-[3-(4-acetyl-2-chloro-3-hydroxy-phenoxymethyl)-[1,2,4]oxadiazol-5-ylmethyl]-benzoic acid, employing 3-[3-(4-acetyl-2-chloro-3-hydroxy-phenoxymethyl)-[1,2,4]oxadiazol-5-ylmethyl]-benzoic acid ethyl ester. 1H NMR (DMSO-d6) δ 13.06 (s, 1H), 12.99 (s, 1H), 7.91 (m, 2H), 7.83 (m, 1H), 7.58 (m, 1H), 7.46 (dd, 1H), 6.89 (d, 1H), 5.49 (s, 2H), 4.48 (s, 2H), 2.59 (s, 3H). LC-MS (m/e): 401 (M−1).

Provenance & Evidence