3-[4-(4-Acetyl-3-hydroxy-2-propyl-phenoxymethyl)-benzyl]-benzonitrile → 1-(2-hydroxy-3-propyl-4-{4-[3-(1H-tetrazol-5-yl)-benzyl]-benzyloxy}-phenyl)-ethanone

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The title compound is prepared in a similar manner to 1-[4-(4-{fluoro-[3-(1H-tetrazol-5-yl)-phenyl]-methyl}-benzyloxy)-2-hydroxy-3-propyl-phenyl]-ethanone employing 3-[4-(4-acetyl-3-hydroxy-2-propyl-phenoxymethyl)-benzyl]-benzonitrile. The crude product is purified via reversed phase C18 preparative chromatography over 8 runs to provide the title compound as a tan solid (6.3 g, 58%). 1H NMR (DMSO-d6) δ 12.86 (s, 1H), 7.96 (s, 1H), 7.86-7.89 (m, 1H), 7.81 (d, 1H), 7.48-7.58 (m, 2H), 7.33-7.42 (m, 4H), 6.73 (d, 1H), 5.23 (s, 2H), 4.08 (s, 2H), 2.56-2.61 (m, 5H), 1.45-1.53 (m, 2H), 0.88 (t, 3H). LCMS M−1 441.

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