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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1288022Generated: October 30, 2026

1-Methyl-2-nitro-1H-imidazole-5-carboxaldehyde → 1-Methyl-5-[1-(2-hydroxyethyl)-5-ethyl-2-imidazolyl]iminomethyl-2-nitroimidazole

https://huagongshe.com/reaction/1288022

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-2-nitro-1H-imidazole-5-carboxaldehydeHCID 100390—
ReactantSodium ethoxideHCID 2723922—
Reactant1-(2-Hydroxyethyl)-2-amino-5-ethylimidazole hydrochlorideHCID 21503735—
SolventEthanolHCID 702—
Product1-Methyl-5-[1-(2-hydroxyethyl)-5-ethyl-2-imidazolyl]iminomethyl-2-nitroimidazoleHCID 54365275—

Reaction Steps

To a solution of 0.4 g. of 1-methyl-2-nitro-5-imidazolecarboxaldehyde dissolved in 25 ml. of ethanol, 0.494 g. of 1-(2-hydroxyethyl)-2-amino-5-ethylimidazole hydrochloride and 0.175 ml. of sodium ethoxide in 2.89 ml. of ethanol are added. After standing overnight, the solid which precipitates is collected on the filter and washed with water. Yield: 0.269 g., m.p. 185°-187° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03987053
Source datasetuspto-grants-1976_10
ORD IDord-bb99df6ab04d4ad0afdb23467409a194
Source noteuspto-grants-1976_10