Toluene-4-sulfonic acid 2-(2-cyclohexyl-5-methyloxazol-4-yl)-ethyl ester → 2-{4-[2-(2-Cyclohexyl-5-methyl-oxazol-4-yl)-ethoxy]-benzyl}-2-phenoxy-butyric Acid

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Reaction Steps

The title compound was prepared from 2-(4-hydroxybenzyl)-2-phenoxybutyric acid ethyl ester and toluene-4-sulfonic acid 2-(2-cyclohexyl-5-methyl-oxazol-4-yl)-ethyl ester using the method of Example 46. 1H NMR (400 MHz, CDCl3) δ 8.01 (bs, 1H), 7.31-7.26 (m, 2H), 7.06-6.96 (m, 5H), 6.72 (d, 2H, J=8.8 Hz), 4.08 (t, 2H, J=6.4 Hz), 3.28 (s, 2H), 2.91 (t, 2H, J=6.4 Hz), 2.81 (tt, 1H, J=11.6, 3.6 Hz), 2.26 (s, 3H), 2.18-1.98 (m, 4H), 1.82-1.77 (m, 2H), 1.72-1.67 (m, 1H), 1.58-1.48 (m, 2H), 1.39-1.18 (m, 3H), 0.92 (t, 3H, J=7.6 Hz).

Provenance & Evidence