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

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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-(methylsulfonyl)pyridin-3-ylboronic acid were reacted to give 237 (0.053 g, 30%). 1H NMR (400 MHz, DMSO) δ 9.28 (d, J=2.0, 1H), 9.07 (d, J=1.8, 1H), 8.82 (d, J=2.2, 1H), 8.56 (s, 1H), 8.11 (s, 1H), 7.87 (dd, J=8.4, 2.3, 1H), 7.27 (d, J=8.4, 1H), 5.87 (dt, J=13.0, 6.5, 1H), 4.45 (t, J=4.8, 2H), 3.50 (t, J=4.8, 2H), 3.41 (s, 3H), 1.59 (d, J=6.6, 6H). MS (ESI(+)): m/z 468.1 (M+H)

Provenance & Evidence