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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1664032Generated: October 28, 2026

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

https://huagongshe.com/reaction/1664032

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 numberUS08034812B2
Source datasetuspto-grants-2011_10
ORD IDord-c0ae52b5389a4f48a072da169b139fc0
Source noteuspto-grants-2011_10