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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1663820Generated: October 25, 2026

Triethylamine → N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-4-methylpyridine-2-carboxamide

https://huagongshe.com/reaction/1663820

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant4-Methylpyridine-2-carboxylic acidHCID 2762820—
ReactantN-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57505476—
SolventDimethylformamideHCID 6228—
ProductN-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-4-methylpyridine-2-carboxamideHCID 5750555524.4%

Reaction Steps

Using N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (120 mg, 0.371 mmol), 4-methylpyridine-2-carboxylic acid (76 mg, 0.557 mmol), 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride (114 mg, 0.594 mmol), 1-hydroxybenzotriazole (81 mg, 0.600 mmol), triethylamine (0.09 mL, 0.631 mmol) and N,N-dimethylformamide (6.0 mL), and by a reaction in the same manner as in Example 187, the title compound (40 mg, 24%) was obtained as pale-yellow crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08034812B2
Source datasetuspto-grants-2011_10
ORD IDord-d3cf8f979c6142c3a0aa6216b5fbe69d
Source noteuspto-grants-2011_10