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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1668216Generated: November 1, 2026

Triethylamine → 2-{[6-(3-{[3-(1-Cyanocyclopropyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]amino}-2-oxoethyl acetate

https://huagongshe.com/reaction/1668216

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantAcetoxyacetyl chlorideHCID 26297—
ReactantN-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamideHCID 57505749—
SolventTetrahydrofuranHCID 8028—
Product2-{[6-(3-{[3-(1-Cyanocyclopropyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]amino}-2-oxoethyl acetateHCID 5750575174%

Reaction Steps

Using N-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamide (200 mg, 0.487 mmol), triethylamine (101 μL, 0.730 mmol), 2-chloro-2-oxoethyl acetate (63 μL, 0.584 mmol) and tetrahydrofuran (5 mL) as starting materials and in the same manner as in Example 385, the title compound (183 mg, 74%) was obtained as a gray powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044049B2
Source datasetuspto-grants-2011_10
ORD IDord-f8e5eb785b46410dbf3e99c41e8a1afb
Source noteuspto-grants-2011_10