Toluene-4-sulfonic acid 2-(5-methyl-2-(1-methylcyclohexyl)oxazol-4-yl)-ethyl ester → 2-(3,4-Difluoro-phenoxy)-2-methyl-3-(4-{2-[5-methyl-2-(1-methyl-cyclohexyl)-oxazol-4-yl]-ethoxy}-phenyl)-propionic Acid

Participants

Reaction Steps

The title compound was prepared from 2-(3,4-difluoro-phenoxy)-3-(4-hydroxy-phenyl)-2-methyl-propionic acid ethyl ester and toluene-4-sulfonic acid 2-[5-methyl-2-(1-methylcyclohexyl)oxazol-4-yl)-ethyl ester using the method of Example 56. 1H NMR (400 MHz, CDCl3) δ 7.15 (d, 2H, J=8.60 Hz), 7.00 (q, 1H, J=8.99 Hz), 6.79 (d, 2H, J=8.60 Hz), 6.77-6.74 (m, 1H), 6.63-6.61 (m, 1H), 4.12 (t, 2H, J=6.25 Hz), 3.19 (d, 1H, J=14.08 Hz), 3.09 (d, 1H, J=14.08 Hz), 2.97 (t, 2H, J=6.25 Hz), 2.31 (s, 3H), 2.16-2.08 (m, 2H), 1.61-1.35 (m, 8H), 1.39 (s, 3H), 1.29 (s, 3H); MS (ES+) calcd for C29H34NO5F2: Found m/e 514.3 (M+1, 100%).

Provenance & Evidence