5-Methylpyridine-3-boronic acid → 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-9-(5-methyl-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 5-methylpyridin-3-ylboronic acid were reacted to give 191 (0.027 g, 17%). 1H NMR (400 MHz, DMSO) δ 8.73 (d, J=2.4, 2H), 8.42 (s, 1H), 8.12 (s, 1H), 7.89 (s, 1H), 7.69 (dd, J=8.4, 2.3, 1H), 7.20 (d, J=8.4, 1H), 5.82 (dt, J=13.1, 6.5, 1H), 4.43 (t, J=4.8, 2H), 3.56-3.39 (m, 2H), 2.39 (s, 3H), 1.58 (d, J=6.6, 6H). MS (ESI(+)): m/z 404.0 (M+H)

Provenance & Evidence