HCID 59624544, compound → HCID 178522302, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 8-(6-bromopyridin-2-ylamino)-6-chloro-N-(3-fluoropyridin-4-yl)imidazo[1,2-b]pyridazine-3-carboxamide (40 mg, 0.086 mmol) and (trans)-4-aminocyclohexanol (100 mg, 0.868 mmol) in NMP (0.5 mL) was heated at 160° C. in a microwave for 1.5 h (300 W power). The reaction mixture was cooled to room temperature and purified by preparative reversed-phase HPLC to give 45B (39.7 mg, 62%) as yellow solid. HPLC Rt=2.780 min (Chromolith SpeedROD 4.6×50 mm, 10-90% aqueous methanol containing 0.1% TFA, 4 min gradient, monitored at 220 nm), [M+H]=576.

Provenance & Evidence