Tetrahydrofuran → N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methoxyphenyl]-3-(1,1,2,2-tetrafluoroethoxy)benzamide

Participants

Reaction Steps

Using 3-(1,1,2,2-tetrafluoroethoxy)benzoic acid (85 mg, 0.35 mmol), oxalyl chloride (38 μL, 0.44=mol), N,N-dimethylformamide (1 drop), tetrahydrofuran (3.0 mL), N-[6-(5-amino-2-methoxyphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (100 mg, 0.30 mmol) and N-methylpyrrolidone (2.0 mL) as starting materials and in the same manner as in Example 335, the title compound (110 mg, 64%) was obtained as a white powder.

Provenance & Evidence