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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1668222Generated: November 1, 2026

Triethylamine → Ethyl [6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]carbamate

https://huagongshe.com/reaction/1668222

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantEthyl chloroformateHCID 10928—
ReactantN-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(trifluoromethyl)benzamideHCID 57385788—
SolventTetrahydrofuranHCID 8028—
ProductEthyl [6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]carbamateHCID 5750575762%

Reaction Steps

Using N-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(trifluoromethyl)benzamide (150 mg, 0.362 mmol), ethyl chlorocarbonate (41 μL, 0.435 mmol), triethylamine (75 μL, 0.544 mmol) and tetrahydrofuran (3 mL) as starting materials and in the same manner as in Example 388, the title compound (109 mg, 62%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044049B2
Source datasetuspto-grants-2011_10
ORD IDord-2dddd53718b6441e9b9942c47804fc8b
Source noteuspto-grants-2011_10