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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391372Generated: October 27, 2026

Dimethylformamide → 3-methoxy-1-methyl-N-{2-methyl-5-[(2-{[(2-methylcyclopropyl)carbonyl]amino}imidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-1H-pyrazole-5-carboxamide

https://huagongshe.com/reaction/2391372

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantOxalyl chlorideHCID 65578—
Reactant3-Methoxy-1-methyl-1H-pyrazole-5-carboxylic acidHCID 45082184—
ReactantN-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]-2-methylcyclopropanecarboxamideHCID 57505472—
SolventTetrahydrofuranHCID 8028—
SolventDimethylacetamideHCID 31374—
Product3-methoxy-1-methyl-N-{2-methyl-5-[(2-{[(2-methylcyclopropyl)carbonyl]amino}imidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-1H-pyrazole-5-carboxamideHCID 5750561169%

Reaction Steps

Using 3-methoxy-1-methyl-1H-pyrazole-5-carboxylic acid (194 mg, 1.24 mmol), tetrahydrofuran (4.5 mL), N,N-dimethylformamide (30 μL, 0.39 mmol), oxalyl chloride (109 μL, 1.22 mmol), N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]-2-methylcyclopropanecarboxamide (300 mg, 0.89 mmol) and N,N-dimethylacetamide (6.0 mL), and in the same manner as in Example 249, the title compound (291 mg, 69%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273741B2
Source datasetuspto-grants-2012_09
ORD IDord-b0bd8003e6ec4a588aa79f4360ac1a83
Source noteuspto-grants-2012_09