Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 377519Generated: October 25, 2026

Dimethylamine → 9-Ethyl-7-methyl-4-(dimethylamino)-2-(methylthio)imidazo[5,1-h]pteridin-6(5H)-one

https://huagongshe.com/reaction/377519

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylamineHCID 674—
ReactantStannous ChlorideHCID 24479—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant4,6-Dichloro-2-(methylthio)-5-nitropyrimidineHCID 11345458—
ReactantHCID 178437635HCID 178437635—
Product9-Ethyl-7-methyl-4-(dimethylamino)-2-(methylthio)imidazo[5,1-h]pteridin-6(5H)-oneHCID 19358871—

Reaction Steps

Prepared by treatment of 4,6-dichloro-5-nitro-2-(methylthio)pyrimidine with dimethylamine, followed by reaction with 2-ethyl-4-methylimidazole, reduction with tin (II) chloride, and cyclization with carbonyidiimidazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06025489
Source datasetuspto-grants-2000_02
ORD IDord-be130903f6a74ca6833ade33de7b4594
Source noteuspto-grants-2000_02