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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1944588Generated: October 26, 2026

Ethyl 6-chloro-4-hydroxy-3-quinolinecarboxylate → Ethyl 4,6-dichloroquinoline-3-carboxylate

https://huagongshe.com/reaction/1944588

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 6-chloro-4-hydroxy-3-quinolinecarboxylateHCID 718113—
ReactantHCID 178479711HCID 178479711—
ProductEthyl 4,6-dichloroquinoline-3-carboxylateHCID 1479087—

Reaction Conditions

Temperature125 °C

Reaction Steps

Ethyl-6-chloro-4-oxo-1,4-dihydroquinoline-3-carboxylate (19.8 mmol) and phosphorus (V) oxychloride (99.3 mmol) was stirred and heated to 125° C. for 12 hours. The mixture was cooled to ambient temperature and the phosphorus (V) oxychloride was evaporated. The crude product was used without further purification. MS m/z 271.80 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08394818B2
Source datasetuspto-grants-2013_03
ORD IDord-e2164671797e42239db7f524f00b5bec
Source noteuspto-grants-2013_03