反应详情

The title compound was prepared from 3-(3-hydroxy-phenyl)-2-methoxy-propionic acid methyl ester (example 9, step 4) and 2-bromo-2-methyl-propionic acid tert-butyl ester via the same procedure used for the preparation of (2S)-3-(4-tert-butoxycarbonyl-methoxy-phenyl)-2-methoxy-propionic acid ethyl ester (PREPARATION 3, step 1) to produce a yellow oil. 1H-NMR (CDCl3, 200.15 MHz): δ 7.13-7.09 (m, 1H), 6.84-6.69 (m, 3H), 3.95-3.89 (dd, 1H, J=6.5, 4.4), 3.7 (s, 3H), 3.34 (s, 3H), 2.94-2.90 (m, 2H), 1.50 (s, 6H), 1.43 (s, 9H).

1. customto produce a yellow oil