1-Hydroxybenzotriazole → N-[6-(3-{[3-(1-cyanocyclopropyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]-6-methylnicotinamide

Participants

Reaction Steps

Using N-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamide (150 mg, 0.365 mmol), 6-methylnicotinoyl chloride (75 mg, 0.548 mmol), N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (105 mg, 0.548 mmol), 1-hydroxybenzotriazole (74 mg, 0.548 mmol) and N,N-dimethylformamide (5 mL) as starting materials and in the same manner as in Example 380, the title compound (44 mg, 23%) was obtained as a pale-green powder.

Provenance & Evidence