4-(Trifluoromethoxy)phenylboronic acid → HCID 21964300, compound

Participants

Reaction Steps

The title compound was prepared from ethyl 5-bromo-1-(4-methylbenzyl)-1H-indole-2-carboxylate and 4-(trifluoromethoxy)phenylboronic acid in substantially the same manner, as described in Step 2 of Example 25. The product was obtained as an off-white solid, m.p. 77-78° C. Mass spectrum (ESI, [M+H]+) m/z 454. 1H NMR (400 MHz, DMSO-d6) δ 8.00 (s, 1H), 7.78 (d, 2H, J=8.70 Hz), 7.67 (d, 1H, J=8.85 Hz), 7.61 (dd, 1H, J=8.70 and 1.68 Hz), 7.44 (s, 1H), 7.42-7.41 (m, 3H), 7.06 (d, 2H, J=7.94 Hz), 6.94 (d, 2H, J=8.09 Hz), 5.83 (s, 2H), 4.29 (q, 2H), 2.21 (s, 3H), and 1.30 ppm (t, 3H). Elemental Analysis for C26H22F3NO3: Calculated: C, 68.87; H, 4.89; N, 3.09. Found: C, 69.00; H, 4.66; N, 3.06.

Provenance & Evidence