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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1667927Generated: October 27, 2026

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

https://huagongshe.com/reaction/1667927

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantOxalyl chlorideHCID 65578—
Reactant1-Methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acidHCID 606540—
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]-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxamideHCID 5750550178%

Reaction Steps

Using 1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (100 mg, 0.515 mmol), N,N-dimethylformamide (1 drop), oxalyl chloride (60 μL, 0.7 mmol), N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (122.5 mg, 0.396 mmol), triethylamine (120 mg, 1.19 mmol) and tetrahydrofuran (15 mL) as starting materials and in the same manner as in Example 109, the title compound (149 mg, 78%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044049B2
Source datasetuspto-grants-2011_10
ORD IDord-0c7de38400c345c39639223ed897ca6a
Source noteuspto-grants-2011_10