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

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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-thiophen-2-yl-oxazol-4-yl)-ethyl ester. 1H NMR (400 MHz, CDCl3): • 7.72 (d, 1H, J=3.52 Hz), 7.45 (d, 1H, J=3.52 Hz), 7.18 (d, 2H, J=8.60 Hz), 7.12-7.05 (m, 2H), 6.88 (d, 1H, J=7.82 Hz), 6.84-6.79 (m, 3H), 6.62 (d, 1H, J=6.65 Hz), 4.19 (t, 2H, J=6.26 Hz), 3.82 (s, 3H), 3.30 (d, 1H, J=14.08 Hz), 3.08 (d, 1H, J=14.08 Hz), 3.00 (t, 2H, J=6.26 Hz), 2.37 (s, 3H), 1.30 (s, 3H). MS [ES+] m/z exact mass calcd for C27H28NO6S 494.1637, found 494.1640.

Provenance & Evidence