1-(8-Bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-3,5,5-trimethylimidazolidin-2,4-dione → 1-{8-[1-(2-Hydroxy-2-methyl-propyl)-1H-pyrazol-4-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-2-yl}-3,5,5-trimethyl-imidazolidine-2,4-dione

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Reaction Steps

1-(8-Bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-3,5,5-trimethylimidazolidin-2,4-dione was coupled with 2-methyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propan-2-ol under Suzuki palladium conditions to give 492. Yield 12%. MS (ESI+): 482.2. 1H NMR (400 MHz, DMSO) δ 8.18 (d, J=8.3, 1H), 8.12 (s, 1H), 7.91 (s, 1H), 7.39 (dd, J=8.3, 1.8, 1H), 7.24 (t, J=4.4, 1H), 4.73 (s, 1H), 4.34 (t, J=4.9, 2H), 4.03 (s, 2H), 3.26 (t, J=5.0, 2H), 3.02 (s, 3H), 1.81 (s, 6H), 1.09 (s, 6H)

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