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

Participants

Reaction Steps

The title compound was prepared using the representative Standard Procedure (E) from 3-(4-Hydroxyphenyl)-2-(2-methoxy-phenoxy)-2-methyl-propionic acid ethyl ester and toluene-4-sulfonic acid 2-(5-methyl-2-phenyl-oxazol-4-yl)-ethyl ester. 1H NMR (400 MHz, CDCl3): • 7.99-7.97 (m, 2H), 7.47 (dd, 3H, J=5.08 Hz, 1.96 Hz), 7.18 (d, 2H, J=8.60), 7.07 (td, 1H, J=6.65 Hz, 1.56 Hz), 6.89-6.80 (m, 4H), 6.63 (dd, 1H, J=7.82 Hz, 1.56 Hz), 4.21 (t, 2H, J=6.26 Hz), 3.82 (s, 3H), 3.30 (d, 1H, J=14.1 Hz), 3.10-3.04 (m, 3H), 2.41 (s, 3H), 1.30 (s, 3H). MS [ES+] m/z exact mass calcd for C29H30NO6 488.2073, found 488.2086.

Provenance & Evidence