Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1458839Generated: October 29, 2026

Diethyl Oxalate → 6-Chloro-1-cyclohexyl-2,3(1H,4H)-quinoxalinedione

https://huagongshe.com/reaction/1458839

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl OxalateHCID 7268—
Reactant4-Chloro-N1-cyclohexylbenzene-1,2-diamineHCID 22097150—
Product6-Chloro-1-cyclohexyl-2,3(1H,4H)-quinoxalinedioneHCID 2209719263%

Reaction Steps

34.5 g (0.15 mol) of 2-amino-4-chloro-N-cyclohexylaniline were refluxed in 500 ml of diethyl oxalate for 4 h. After cooling, the precipitate was filtered off with suction, washed with n-pentane and dried to yield 26.8 g (63%) of the product. Melting point 265°-266° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05852017
Source datasetuspto-grants-1998_12
ORD IDord-8c74a6d18de34649aba8c9908fc12b47
Source noteuspto-grants-1998_12