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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391404Generated: October 26, 2026

Cyclobutanecarbonyl chloride → N-[5-({2-[(cyclobutylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide

https://huagongshe.com/reaction/2391404

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclobutanecarbonyl chlorideHCID 78705—
ReactantN-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-methylphenyl)-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochlorideHCID 57505635—
SolventDimethylacetamideHCID 31374—
ProductN-[5-({2-[(cyclobutylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamideHCID 5750564477.1%

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), cyclobutanecarbonyl chloride (86 mg, 0.73 mmol) and N,N-dimethylacetamide (5 mL) as starting materials, the title compound (170 mg, 76%) was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273741B2
Source datasetuspto-grants-2012_09
ORD IDord-104c4f399be3484f83a862d5e8f07247
Source noteuspto-grants-2012_09