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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 584658Generated: October 31, 2026

Phosphorus oxychloride → 2,6,7-Trichloro-3-methylquinoxaline

https://huagongshe.com/reaction/584658

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant73148-15-9HCID 11064212—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
Product2,6,7-Trichloro-3-methylquinoxalineHCID 9794879—

Reaction Steps

POCl3 was added to 6,7-Dichloro-3-methyl-1H-quinoxalin-2-one (10 g, 44 mmol) and 4-dimethylaminopyridine (1 g) and the mixture was refluxed for 0.5 hours. After cooling, the mixture was poured onto ice (500 ml), filtered and washed with water to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06927214B1
Source datasetuspto-grants-2005_08
ORD IDord-aa24519db1d843c2a38169ddc639d1c3
Source noteuspto-grants-2005_08