4-(Trifluoromethoxy)phenylboronic acid → Ethyl 1-benzyl-5-[4-(trifluoromethoxy)phenyl]-1H-indole-2-carboxylate

Participants

Reaction Steps

The title compound was prepared from ethyl 5-bromo-1-benzyl-1H-indole-2-carboxylate and 4-(trifluoromethoxy)phenylboronic acid in substantially the same manner, as described in step 2 of Example 1. The product was obtained as an oil. Mass spectrum (ESI, [M+H]+) m/z 440. 1H NMR (400 MHz, DMSO-d6) δ 8.01 (s, 1H), 7.79 (d, 2H, J=8.86 Hz), 7.67 (d, 1H, J=8.85 Hz), 7.62 (dd, 1H, J=8.70 and 1.68 Hz), 7.44-7.42 (m, 2H), 7.28-7.20 (m, 3H), 7.04 (d, 2H, J=7.94 Hz), 5.88 (s, 2H), 4.28 (q, 2H), 1.29 (t, 3H).

Provenance & Evidence