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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1075959Generated: November 1, 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/1075959

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 numberUS03954789
Source datasetuspto-grants-1976_05
ORD IDord-b1b4be05a99f48c18e51e2d7e879039b
Source noteuspto-grants-1976_05