Nitrogen → 9-(2,5-Diaza-bicyclo[2.2.1]hept-2-yl)-2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-10-aza-benzo[e]azulene

Participants

Reaction Conditions

Reaction Steps

9-Chloro-2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-10-aza-benzo[e]azulene (416 mg, 1.0 mmol), Pd(OAc)2 (22.4 mg, 0.1 mmol), 2,5-Diaza-bicyclo[2.2.1]heptane (120 mg, 1.2 mmol), X-phos (47 mg, 0.10 mmol), tert-butoxide (200 mg, 20 mmol) in dioxane (2 mL) was bubbled N2 for 10 min and then stirred at 120° C. for 6 min under the irradition of microwave. The mixture was filtered over ceilite. The filtrate was concentrated to dryness and purified by pre-HPLC to afford 310. (61.4 mg, yield=13%). 1H NMR (CDCl3, 400 MHz): δ 8.27 (s, 1H), 7.89-7.88 (m, 1H), 7.72-7.99 (m, 1H), 7.41-7.39 (m, 1H), 7.28-7.16 (m, 2H), 6.39 (d, J=8.8 Hz, 1H), 4.41 (s, 1H), 4.16 (s, 2H), 3.46-3.41 (m, 6H), 2.74 (s, 2H), 1.06 (t, J=6.8 Hz, 2H). LC-MS (ESI): m/z=479 [M+H]+

Provenance & Evidence