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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 345004Generated: October 25, 2026

1,1'-Carbonyldiimidazole → 1-(1H-Imidazol-1-yl)methyl-8-(N-phenyl-(4-hydroxybutyl)amino)imidazo[1,5-a]pyrido[3,4-e]pyrazin-4(5H)-one

https://huagongshe.com/reaction/345004

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant2,4-Dichloro-5-nitropyridineHCID 12275765—
ReactantN-phenyl-4-hydroxybutylamineHCID 13755485—
Reactant2-(1H-imidazol-1-ylmethyl)-1H-imidazoleHCID 19358846—
CatalystPalladiumHCID 23938—
Product1-(1H-Imidazol-1-yl)methyl-8-(N-phenyl-(4-hydroxybutyl)amino)imidazo[1,5-a]pyrido[3,4-e]pyrazin-4(5H)-oneHCID 19809415—

Reaction Steps

Treat 2,4-dichloro-5-nitropyridine with 2-((imidazol-1-yl)methyl)imidazole followed by reaction with N-phenyl-4-hydroxybutylamine, hydrogenation with palladium on carbon and cyclization with carbonyldiimidazole to provide the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05055465
Source datasetuspto-grants-1991_10
ORD IDord-7bcb811284c649ddac8a879a18b7556b
Source noteuspto-grants-1991_10