Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1097315Generated: October 30, 2026

N-bromobutanimide → 4-(3-bromo-imidazo[1,2-b]pyridazin-7-yl)-1-(3-piperidin-1-yl-propyl)-1H-pyridin-2-one

https://huagongshe.com/reaction/1097315

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
Reactant4-imidazo[1,2-b]pyridazin-7-yl-1-(3-piperidin-1-yl-propyl)-1H-pyridin-2-oneHCID 59443509—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
Product4-(3-bromo-imidazo[1,2-b]pyridazin-7-yl)-1-(3-piperidin-1-yl-propyl)-1H-pyridin-2-oneHCID 59443508—

Reaction Conditions

Temperature0 °C

Reaction Steps

4-Imidazo[1,2-b]pyridazin-7-yl-1-(3-piperidin-1-yl-propyl)-1H-pyridin-2-one (1 eq, 0.122 mmol, 41.3 mg) is dissolved in DMF (10 ml) and N-bromosuccinimide (1.1 eq, 0.135 mmol, 24.2 mg) is added. The reaction mixture is then stirred at 0° C. for 30 min. The reaction is diluted with EtOAc and washed with NaHCO3 and brine. The organic phase is then dried over MgSO4, filtered and evaporated to dryness to give 4-(3-bromo-imidazo[1,2-b]pyridazin-7-yl)-1-(3-piperidin-1-yl-propyl)-1H-pyridin-2-one as a brown solid which did not require any further purification; [M+H]+=417

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08143253B2
Source datasetuspto-grants-2012_03
ORD IDord-bd2a38f2da41465da83b8a4a17a3906c
Source noteuspto-grants-2012_03