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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1743153Generated: October 27, 2026

Ethyl Acetate → HCID 9946949, compound

https://huagongshe.com/reaction/1743153

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant2,3-DichloroanilineHCID 11844—
Reactant3-ethoxy-4-(2-Hydroxy-4-nitroanilino)-3-cyclobutene-1,2-dioneHCID 22238504—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 9946949HCID 994694913.1%

Reaction Steps

A solution of 3-ethoxy-4-(2-Hydroxy-4-nitroanilino)-3-cyclobutene-1,2-dione (0.40 g, 1.44 mmol) and 2,3-dichloroaniline (0.34 g, 2.10 mmol) in 2 mL DMSO was heated at 110° C. for overnight. The reaction mixture was cooled to room temperature, and ethylacetate was added, a precipitate formed. The filter cake was collected. Titration from acetone and hexanes gave 68 mg (11%) of 3-(2-chloroanilino)-4-(2-Hydroxy-4-nitroanilino)-3-cyclobutene-1,2-dione. LCMS(H+) 394.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07008962B2
Source datasetuspto-grants-2006_03
ORD IDord-c59926fda354401f9c8662dde0dc7765
Source noteuspto-grants-2006_03