Potassium Carbonate → HCID 58203894, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene 375 (310 mg, 0.61 mmol) in DMF (3.5 mL) was added 2(2-bromoethoxy)tetrahydro-2H-pyran (0.1 mL, 0.67 mmol) and potassium carbonate (290 mg, 2.10 mmol) and the reaction mixture stirred at 60° C. for 16 h. The reaction mixture was diluted with DCM and washed with sodium bicarbonate (sat aq.) then water followed by brine, dried (MgSO4) and concentrated in vacuo. The resultant residue was subjected to flash chromatography (SiO2, gradient 0-10% MeOH in DCM) to give 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-8-{1-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-piperidin-4-yl}-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene (106 mg, 33%). LCMS: RT=3.71 min, [M+H]+=524 1H NMR 400 MHz (DMSO-d6) δ: 8.27 (1 H, d, J=8.19 Hz), 8.09 (1 H, d, J=0.58 Hz), 7.09 (1 H, dd, J=8.26, 1.82 Hz), 6.92 (1 H, d, J=1.78 Hz), 5.82-5.82 (1 H, m), 4.58 (1 H, t, J=3.52 Hz), 4.35 (2 H, t, J=5.02 Hz), 3.75-3.74 (2 H, m), 3.44-3.42 (4 H, m), 2.99 (2 H, t, J=10.97 Hz), 2.54 (2 H, t, J=6.17 Hz), 2.47 (1 H, s), 2.09 (2 H, t, J=11.61 Hz), 1.79-1.55 (6 H, m), 1.55 (6 H, d, J=6.59 Hz), 1.52-1.43 (4 H, m).

Provenance & Evidence