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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391466Generated: October 26, 2026

Tetrahydrofuran → 3-(1-cyanocyclobutyl)-N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methylphenyl]benzamide

https://huagongshe.com/reaction/2391466

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantOxalyl chlorideHCID 65578—
Reactant3-(1-Cyanocyclobutyl)benzoic acidHCID 57441043—
ReactantN-[6-(5-amino-2-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57505483—
CatalystDimethylformamideHCID 6228—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product3-(1-cyanocyclobutyl)-N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-4-methylphenyl]benzamideHCID 5750570164.4%

Reaction Steps

Using 3-(1-cyanocyclobutyl)benzoic acid (110 mg, 0.56 mmol), oxalyl chloride (60 μL, 0.70 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (3.0 mL), N-[6-(5-amino-2-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (150 mg, 0.46 mmol) and N-methylpyrrolidone (3.0 mL) as starting materials and in the same manner as in Example 335, the title compound (150 mg, 64%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273741B2
Source datasetuspto-grants-2012_09
ORD IDord-3123c9937ec34ddeb2fd649da347be01
Source noteuspto-grants-2012_09