4-Methoxypyridine-3-boronic acid → 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-9-(4-methoxy-pyridin-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene

Participants

Reaction Steps

Following the procedure for 128, 9-Bromo-2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene from Example 6 and 4-methoxypyridin-3-ylboronic acid were reacted to give 266 (0.045 g, 28%). 1H NMR (400 MHz, CDCl3) δ 8.61 (d, J=2.1, 1H), 8.50 (d, J=6.0, 2H), 7.92 (s, 1H), 7.46 (dd, J=8.3, 2.2, 1H), 7.15 (d, J=8.4, 1H), 6.93 (d, J=5.7, 1H), 5.84 (dt, J=13.3, 6.6, 1H), 4.46 (t, J=5.0, 2H), 3.91 (s, 3H), 3.45 (t, J=5.0, 2H), 1.59 (d, J=6.7, 6H). MS (ESI(+)): m/z 420.1 (M+H)

Provenance & Evidence