2-(7-Bromoimidazo[1,2-b][1,2,4]triazin-3-yl)propan-2-ol → HCID 10109530, compound

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Reaction Conditions

Reaction Steps

3-(3,5-Difluoropyridin-2-yl)phenylboronic acid (25 mg, 0.11 mmol) was coupled to 2-(7-bromoimidazo[1,2-b][1,2,4]triazin-3-yl)propan-2-ol (27 mg, 0.11 mmol) using the method of Example 20. Purification by chromatography (silica gel, 3% MeOH/CH2Cl2) gave impure product as a yellow solid. The product was then dissolved in hydrochloric acid (2 N, 50 ml), filtered and washed with diethyl ether (2×20 ml). The acid solution was cooled to 0° C. and neutralised with saturated aqueous sodium hydrogencarbonate and extracted with ethyl acetate (3×20 ml). The combined organic phases were dried over anhydrous magnesium sulphate, filtered and evaporated to give the title compound as a yellow solid: 1H. NMR (400 MHz, CDCl3) δ 1.72 (6H, s), 3.35 (1H, s), 7.32-7.38 (1H, m), 7.64 (1H, t, J 8 Hz), 7.95-7.98 (1H, m), 8.10-8.13 (1H, m), 8.33 (1H, 8), 8.48 (1H, d, J 3 Hz), 8.60-8.61 (1H, m), 8.79 (1H, s); MS (ES+) m/z 368 [M+H]+.

Provenance & Evidence