Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1403653Generated: October 30, 2026

Cyclobutylamine → HCID 70664990, compound

https://huagongshe.com/reaction/1403653

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclobutylamineHCID 75645—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethyl 3-chloro-2-(4-fluorophenyl)quinoxaline-6-carboxylateHCID 77231184—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 70664990HCID 7066499059.6%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of methyl 3-chloro-2-(4-fluorophenyl)quinoxaline-6-carboxylate (100 mg, 0.32 mmol) in DMSO (1 mL) in was added cyclobutanamine (100 mg, 1.41 mmol) and DIEA (110 mg, 0.85 mmol). The resulting solution was stirred for 2 hours at 70° C., and then quenched by the addition of water (50 mL) and extracted with dichloromethane (4×20 mL). The organic layers were combined, dried over anhydrous magnesium sulfate, and concentrated in vacuo to give a residue, which was purified via silica gel column chromatography (2%-10% ethyl acetate in petroleum ether) to afford methyl 3-(cyclobutylamino)-2-(4-fluorophenyl)quinoxaline-6-carboxylate as a yellow solid (67 mg, 58%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08912188B2
Source datasetuspto-grants-2014_12
ORD IDord-d538f11085974ce1a2548ddea0f68c99
Source noteuspto-grants-2014_12