2,5-Dimethyl-2H-pyrazole-3-carbonyl chloride → N-[4-chloro-5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide

Participants

Reaction Steps

Using N-[6-(5-amino-2-chloro-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (200 mg, 0.55 mmol), N,N-dimethylacetamide (4.0 mL) and 1,3-dimethyl-1H-pyrazole-5-carbonyl chloride (105 mg, 0.66 mmol), and in the same manner as in Example 120, the title compound (108 mg, 40%) was obtained as a white powder.

Provenance & Evidence