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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1667931Generated: October 26, 2026

Triethylamine → N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxamide

https://huagongshe.com/reaction/1667931

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantOxalyl chlorideHCID 65578—
Reactant3-Methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxylic acidHCID 13338434—
ReactantN-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57386059—
CatalystDimethylformamideHCID 6228—
SolventTetrahydrofuranHCID 8028—
ProductN-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxamideHCID 5750550487.1%

Reaction Steps

Using 3-methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxylic acid (175 mg, 0.84 mmol), N,N-dimethylformamide (1 drop), oxalyl chloride (91 μL, 1.01 mmol), N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (200 mg, 0.646 mmol), triethylamine (196 mg, 1.94 mmol) and tetrahydrofuran (15 mL) as starting materials and in the same manner as in Example 109, the title compound (281 mg, 87%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044049B2
Source datasetuspto-grants-2011_10
ORD IDord-2b96af780be24cf3b9f61e7bc5c1e6bd
Source noteuspto-grants-2011_10