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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1668218Generated: November 1, 2026

Chloroacetyl chloride → N-[3-({2-[(chloroacetyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-(1-cyanocyclopropyl)benzamide

https://huagongshe.com/reaction/1668218

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroacetyl chlorideHCID 6577—
ReactantTriethylamineHCID 8471—
ReactantN-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamideHCID 57505749—
SolventTetrahydrofuranHCID 8028—
ProductN-[3-({2-[(chloroacetyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-3-(1-cyanocyclopropyl)benzamideHCID 5750575389.5%

Reaction Steps

Using N-{3-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]phenyl}-3-(1-cyanocyclopropyl)benzamide (600 mg, 1.46 mmol), triethylamine (305 μL, 2.19 mmol), chloroacetyl chloride (202 μL, 1.75 mmol) and tetrahydrofuran (10 mL) as starting materials and in the same manner as in Example 385, the title compound (636 mg, 89%) was obtained as a gray powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044049B2
Source datasetuspto-grants-2011_10
ORD IDord-c1165a1b70144223b49ad6e211e54bca
Source noteuspto-grants-2011_10