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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1403565Generated: October 30, 2026

Isopropylamine → HCID 70665294, compound

https://huagongshe.com/reaction/1403565

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsopropylamineHCID 6363—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethyl 3-chloro-2-(4-fluorophenyl)quinoxaline-6-carboxylateHCID 77231184—
SolventDimethyl SulfoxideHCID 679—
SolventWaterHCID 962—
ProductHCID 70665294HCID 7066529446.8%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of methyl 3-chloro-2-(4-fluorophenyl)quinoxaline-6-carboxylate (200 mg, 0.63 mmol) in DMSO (10 mL) was added DIEA (489 mg, 3.79 mmol) and propan-2-amine (149.4 mg, 2.53 mmol) under nitrogen atmosphere. After stirring overnight at 70° C., the reaction mixture was dissolved in water (100 mL), extracted with dichloromethane (3×80 mL), dried over anhydrous magnesium sulfate and concentrated under reduced pressure to afford a residue. Purification via silica gel column chromatography (2% ethyl acetate in petroleum ether) afforded methyl 2-(4-fluorophenyl)-3-(isopropylamino)quinoxaline-6-carboxylate as a light yellow solid (100 mg, 44%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08912188B2
Source datasetuspto-grants-2014_12
ORD IDord-9eb24a6f6cff4f9b94eaecc9ac9f85e1
Source noteuspto-grants-2014_12