Ethyl 3-(4-hydroxy-2,3-dimethylphenyl)propanoate → 3-(4-[[3-(3-Fluoro-4-methylphenyl)-5-(trifluoromethyl)-1,2-thiazol-4-yl]methoxy]-2,3-dimethylphenyl)propanoic acid

Participants

Reaction Steps

The title compound was prepared according to the procedure described in Example 1 starting following Step 5 and 6 coupling (3-(3-fluoro-4-methylphenyl)-5-(trifluoromethyl)isothiazol-4-yl)methyl methanesulfonate and ethyl 3-(4-hydroxy-2,3-dimethylphenyl)propanoate followed by hydrolysis to afford the desired product as an off-white solid. 1H NMR (300 MHz, CD3OD) δ 7.29-7.42 (m, 3H), 6.98 (d, J=8.4 Hz, 1H), 6.72 (d, J=8.4 Hz, 1H), 5.09 (s, 2H), 2.92 (t, J=7.5 Hz, 2H), 2.52 (t, J=7.5 Hz, 2H), 2.32 (s, 3H), 2.24 (s, 3H), 2.03 (s, 3H). Mass spectrum (ESI, m/z): Calcd. for C23H21F4NO3S, 466.1 (M−H). found 466.1.

Provenance & Evidence