2-(5-Methyl-2-phenyloxazol-4-yl)ethyl 4-methylbenzenesulfonate → 2-(3-Methoxy-phenoxy)-2-methyl-3-{4-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-phenyl}-propionic Acid

Participants

Reaction Steps

Standard Procedure (B) was utilized to prepare the title compound from 3-(4-hydroxy-phenyl)-2-(3-methoxy-phenoxy)-2-methyl-propionic acid ethyl ester and toluene-4-sulfonic acid 2-(2-phenyl-5-methyl-oxazol-4-yl)-ethyl ester. 1H NMR (400 MHz, CDCl3) δ 7.97-7.95 (m, 2H), 7.42-7.39 (m, 3H), 7.18-7.12 (m, 3H), 6.83 (d, 2H, J=8.99 Hz), 6.61-6.58 (m, 1H), 6.52-6.46 (m, 2H), 4.21 (t, 2H, J=6.65 Hz), 3.74 (s, 3H), 3.25 (d, 1H, J=13.69 Hz), 3.15 (d, 1H, J=13.69 Hz), 2.98 (t, 2H, J=6.65 Hz), 2.37 (s, 3H), 1.45 (s, 3H); HRMS (ES+) m/z exact mass calcd for C29H30NO6 488.2073, found 488.2083.

Provenance & Evidence