Methyl iodide → 4-(4-Dimethylcarbamoyl-3-fluoro-phenoxy)-2-methoxymethyl-2-methyl-2,3-dihydro-benzofuran-6-carboxylic acid tert-butyl ester

Participants

Reaction Steps

The title compound was prepared in a similar manner as described for Intermediate 201a, from 4-(4-dimethylcarbamoyl-3-fluoro-phenoxy)-2-hydroxymethyl-2-methyl-2,3-dihydro-benzofuran-6-carboxylic acid tert-butyl ester (229a) and methyl iodide. 1H NMR (400 MHz, CDCl3) δ 7.36 (t, J=8.21 Hz, 1 H) 7.26 (s, 1 H) 7.20 (s, 1 H) 6.78 (dd, J=8.46, 1.89 Hz, 1 H) 6.66 (dd, J=10.74, 1.89 Hz, 1 H) 3.40-3.49 (m, 2 H) 3.39 (s, 3 H) 3.07-3.14 (m, 4 H) 2.97 (s, 3 H) 2.76 (d, J=16.67 Hz, 1 H) 1.56 (s, 9 H) 1.45 (s, 3 H); LCMS for C25H30FNO6 m/z 482.00 (M+Na)+.

Provenance & Evidence