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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1253507Generated: November 1, 2026

HCID 178471941, compound → Ethyl 4-hydroxy-3,4-dihydro-1,5-naphthyridine-3-carboxylate

https://huagongshe.com/reaction/1253507

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 178471941HCID 178471941—
SolventDiphenyl EtherHCID 7583—
ProductEthyl 4-hydroxy-3,4-dihydro-1,5-naphthyridine-3-carboxylateHCID 67207071—

Reaction Conditions

Temperature250 °C

Reaction Steps

Diethyl [(E)-(pyridin-3-ylimino)methyl]malonate (9 g, 34 mmol) was dissolved in 1,1′-oxydibenzene (150 ml). The mixture was heated at 250° C. for 2 hours, and then cooled to room temperature. The reaction mixture was filtered to give ethyl 4-hydroxy-3,4-dihydro-1,5-naphthyridine-3-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08455477B2
Source datasetuspto-grants-2013_06
ORD IDord-c8cab84f26644dd2b6cbc67822f071e7
Source noteuspto-grants-2013_06