Diisopropylethylamine → HCID 178463334, 화합물

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A mixture of 82A (62.7 mg, 0.187 mmol), trans-cyclohexane-1,4-diamine (214 mg, 1.873 mmol) and DIEA (0.033 mL, 0.187 mmol) in NMP (1 mL) was heated in a microwave reactor at 120° C. for 50 minutes. The resulting mixture was diluted with water and made basic with saturated aqueous NaHCO3. The resulting solid was collected by filtration and dried under vacuum to give 6-((trans)-4-aminocyclohexylamino)-8-(ethylamino)-N-(3-fluoropyridin-4-yl)imidazo[1,2-b]pyridazine-3-carboxamide as an off white solid (66.1 mg). HPLC Rt=2.122 minutes (Chromolith SpeedROD 4.6×50 mm, 10-90% aqueous methanol containing 0.1% TFA, 4 min gradient, monitored at 220 nm). [M+H]=413.

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