Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 734491Generated: October 26, 2026

Diisopropylethylamine → 2-Methyl-5-(4-[2-(3-nitrophenyl)ethyl]-1-piperazinyl}quinoline

https://huagongshe.com/reaction/734491

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant3-Nitrophenethyl methanesulfonateHCID 21973884—
Reactant2-Methyl-5-piperazin-1-yl-quinolineHCID 49851901—
SolventDimethylformamideHCID 6228—
Product2-Methyl-5-(4-[2-(3-nitrophenyl)ethyl]-1-piperazinyl}quinolineHCID 4985190264%

Reaction Conditions

Temperature100 °C

Reaction Steps

N,N-Diisopropylethylamine (0.8 mL; 5 eq) was added to a solution of 2-methyl-5-(1-piperazinyl)quinoline (D3) (0.2 g; 1 eq) and 2-(3-nitrophenyl)ethyl methanesulfonate (D4) (0.22; 1 eq) in dimethylformamide (1.5 mL). The reaction mixture was heated to 100° C. for 10 hours. The dark solution was concentrated under reduced pressure, diluted with water (3 mL) and brine (1 mL) and extracted into ethyl acetate (3×3 mL). The organic layers were combined, dried over Na2SO4 and concentrated under reduced pressure. The crude was purified by flash chromatography, eluting with a gradient from dichloromethane to dichloromethane/MeOH (98/2) affording the title compound in 64% yield (0.21 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07592346B2
Source datasetuspto-grants-2009_09
ORD IDord-92a50017c4344279b3dde71817db52b1
Source noteuspto-grants-2009_09