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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391239Generated: October 29, 2026

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

https://huagongshe.com/reaction/2391239

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantOxalyl chlorideHCID 65578—
Reactant5-Methyl-2-(trifluoromethyl)-3-furancarboxylic acidHCID 2782183—
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]-5-methyl-2-(trifluoromethyl)-3-furancarboxamideHCID 5750550258.1%

Reaction Steps

Using 5-methyl-2-(trifluoromethyl)-3-furancarboxylic acid (133.6 mg, 0.668 mmol), N,N-dimethylformamide (1 drop), oxalyl chloride (75 μL, 0.868 mmol), N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (159 mg, 0.514 mmol), triethylamine (156 mg, 1.54 mmol) and tetrahydrofuran (15 mL) as starting materials and in the same manner as in Example 109, the title compound (145 mg, 58%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273741B2
Source datasetuspto-grants-2012_09
ORD IDord-cb74deb4d3af4615a6684991377b348e
Source noteuspto-grants-2012_09