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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1663684Generated: October 30, 2026

1-Hydroxybenzotriazole → HCID 57505447, compound

https://huagongshe.com/reaction/1663684

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant4-Fluoro-3-(trifluoromethyl)benzoic acidHCID 522268—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantN-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57386059—
SolventDimethylformamideHCID 6228—
ProductHCID 57505447HCID 5750544776.1%

Reaction Steps

Using N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (309 mg, 1.00 mmol), 4-fluoro-3-(trifluoromethyl)benzoic acid (312 mg, 1.50 mmol), 1-hydroxybenzotriazole (203 mg, 1.50 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (288 mg, 1.50 mmol) and N,N-dimethylformamide (5.0 mL) as starting materials and in the same manner as in Example 106, the title compound (380 mg, 76%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08034812B2
Source datasetuspto-grants-2011_10
ORD IDord-45f655932d86485c93e989a760eb428d
Source noteuspto-grants-2011_10