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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2297522Generated: October 29, 2026

O-Phenylenediamine → HCID 178500070, compound

https://huagongshe.com/reaction/2297522

Reaction equation

Participants

RoleNameHCIDCharge
ReactantO-PhenylenediamineHCID 7243—
ReactantDimethyl alpha-ketoglutarateHCID 25775—
SolventMethanolHCID 887—
ProductHCID 178500070HCID 178500070101.2%

Reaction Steps

Dimethyl 2-ketoglutarate (3.75 g) and o-phenylenediamine (2.5 g) were dissolved in methanol (30 ml), and the mixture was stirred overnight. The precipitated crystals were recovered by filtration and washed with water and methanol to obtain 5.06 g of methyl 3-(3-hydroxyquinoxaline-2-yl)propanoate Yield: 94%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06492364B1
Source datasetuspto-grants-2002_12
ORD IDord-1ecbb4076d184381b57f51e787aa11c2
Source noteuspto-grants-2002_12