3-Methyl-2-butenoyl chloride → 1,3-dimethyl-N-[2-methyl-5-({2-[(3-methylbut-2-enoyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-1H-pyrazole-5-carboxamide

Participants

Reaction Steps

In the same manner as in Example 264 and using N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-methylphenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochloride (200 mg, 0.48 mmol), 3-methylbut-2-enoylchloride (81 μL, 0.73 mmol) and N,N-dimethylacetamide (5 mL) as starting materials, the title compound (150 mg, 68%) was obtained as a pale-yellow solid.

Provenance & Evidence