Potassium Bromide → 2-Methyl-3-{4-[2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethoxy]-phenyl}-2-(4-trifluoromethyl-phenoxy)-propionic Acid

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The title compound was prepared from 3-(4-hydroxyphenyl)-2-methyl-2-(4-trifluoromethyl-phenoxy)-propionic acid ethyl ester and toluene-4-sulfonic acid 2-(5-methyl-2-thiophen-2-yl-oxazol-4-yl)-ethyl ester using the procedure of Example 50. 1H NMR (400 MHz, CDCl3) δ 8.67 (bs, 1H), 7.66 (d, 1H, J=3.2 Hz), 7.48 (d, 2H, J=8.4 Hz), 7.43 (d, 1H, J=5.0 Hz), 7.16 (d, 2H, J=8.4 Hz), 7.08 (dd, 1H, J=5.0, 3.2 Hz), 6.95 (d, 2H, J=8.4 Hz), 6.80 (d, 2H, J=8.4 Hz), 4.16 (t, 2H, J=6.2 Hz), 3.28 and 3.16 (d of Abq, 2H, J=13.8 Hz), 3.00 (t, 2H, J=6.2 Hz), 2.37 (s, 3H), 1.49 (s, 3H). IR (KBr) 3420, 3000, 1714, 1614, 1513, 1327 cm−1. HRMS (ES+) m/z exact mass calcd for C27H25NO5F3S 532.1406, found 532.1412.

Provenance & Evidence