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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 377522Generated: October 25, 2026

Ethanol → 9-(1H-imidazol-1-yl)methyl-4-[(2-phenylethyl)amino]imidazo[5,1-h]pteridin-6(5H)-one

https://huagongshe.com/reaction/377522

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantSodium HydroxideHCID 14798—
Reactant4,6-Dichloro-5-nitropyrimidineHCID 20312—
ReactantStannous ChlorideHCID 24479—
ReactantN-BenzylphenethylamineHCID 65055—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant2-(1H-imidazol-1-ylmethyl)-1H-imidazoleHCID 19358846—
CatalystPalladiumHCID 23938—
Product9-(1H-imidazol-1-yl)methyl-4-[(2-phenylethyl)amino]imidazo[5,1-h]pteridin-6(5H)-oneHCID 9908192—

Reaction Steps

Prepared by treatment of 4,6-dichloro-5-nitropyrimidine with N-benzylphenethylamine, followed by reaction with 2-((1H-imidazol-1-yl)methyl)imidazole, reduction with tin (II) chloride, cyclization with carbonyidiimidazole and hydrogenation with palladium on carbon in ethanol containing 1.1 eq. NaOH at 50° C. and 50 psi.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06025489
Source datasetuspto-grants-2000_02
ORD IDord-c05bad6c92b345d388ba0759b01712cc
Source noteuspto-grants-2000_02