2-(5-Methyl-2-phenyloxazol-4-yl)ethyl 4-methylbenzenesulfonate → 2-(Benzo[1,3]dioxol-5-yloxy)-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 2-(benzo[1,3]dioxol-5-yloxy)-3-(4-hydroxy-phenyl)-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 7.96-7.93 (m, 2H), 7.44-7.41 (m, 3H), 7.13 (d, 2H, J=8.79 Hz), 6.78 (d, 2H, J=8.79 Hz), 6.60 (d, 1H, J=8.79 Hz), 6.41 (d, 1H, J=2.44 Hz), 6.32 (dd, 1H, J=8.79 Hz, J=2.44 Hz), 5.88 (d, 2H, J=0.98 Hz), 4.17 (t, 2H, J=6.35 Hz), 3.15 (d, 1H, J=14.16 Hz), 3.04-3.00 (m, 3H), 2.38 (s, 3H), 1.30 (s, 3H); HRMS (ES+) m/z exact mass calcd for C29H28NO7 502.1866, found 502.1881.

Provenance & Evidence