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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1663835Generated: October 26, 2026

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

https://huagongshe.com/reaction/1663835

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantTriethylamineHCID 8471—
ReactantO-methylhydroxylammonium chlorideHCID 11639—
ReactantN-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-fluorophenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochlorideHCID 57505567—
ProductN-{2-fluoro-5-[(2-{[(methoxyamino)carbonyl]amino}imidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamideHCID 5750557254%

Reaction Steps

Using N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-fluorophenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochloride (200 mg, 0.48 mmol), 1,1′-carbonylimidazole (233 mg, 1.44 mmol), O-methylhydroxyammonium chloride (120 mg, 1.44 mmol), triethylamine (0.27 mL, 1.92 mmol) and N,N-dimethylformamide (6.0 mL), and by a reaction in the same manner as in Example 200, the title compound (117 mg, 54%) was obtained as pale-yellow crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08034812B2
Source datasetuspto-grants-2011_10
ORD IDord-1b6274e2beaa420f95e965766bba3f64
Source noteuspto-grants-2011_10