Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1665658Generated: October 30, 2026

Benzenamine, 4-(4-morpholinyl)- → 3-[4-(2-bromo-benzoyl)-piperazin-1-yl]-N-(4-morpholin-4-yl-phenyl)-3-oxo-propionamide

https://huagongshe.com/reaction/1665658

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenamine, 4-(4-morpholinyl)-HCID 75655—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant3-[4-(2-Bromo-benzoyl)-piperazin-1-yl]-3-oxo-propionic acidHCID 57875801—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
Product3-[4-(2-bromo-benzoyl)-piperazin-1-yl]-N-(4-morpholin-4-yl-phenyl)-3-oxo-propionamideHCID 4423156143.7%

Reaction Conditions

Temperature0 °C

Reaction Steps

HOBt (31 mg, 0.23 mmol) and DMAP (42 mg, 0.34 mmol) were added to a stirred solution of 3-[4-(2-bromo-benzoyl)-piperazin-1-yl]-3-oxo-propionic acid (75 mg, 0.2 mmol) in DMF (1 mL). The reaction mixture was cooled to 0° C. and EDCI.HCl (48 mg, 0.25 mmol) followed by 4-morpholin-4-yl-phenylamine (41 mg, 0.23 mmol) were added. The reaction mixture was stirred at room temperature overnight then diluted with water. The resulting precipitate was filtered and washed with hexane to afford 45 mg (41%) of 3-[4-(2-bromo-benzoyl)-piperazin-1-yl]-N-(4-morpholin-4-yl-phenyl)-3-oxo-propionamide. LCMS: 516.12 (M+1)+, 97.57%, 1H NMR: (DMSO-d6): δ 7.7 (m, 1H), 7.5-7.32 (m, 5H), 6.9-6.8 (m, 2H), 3.8-3.7 (bs, 5H), 3.6-3.4 (m, 7H), 3.2-3.08 (m, 2), 3.04-2.98 (m, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08039463B2
Source datasetuspto-grants-2011_10
ORD IDord-871d2e16c05844c7b55502129f185a40
Source noteuspto-grants-2011_10