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Another suitable method for the preparation of 2-imidazolidone,affording excellent yield on a laboratory scale,is based on the interaction of
ethylenediamine with urea in the presence of water as a moderator.also, the interaction of ethylene glycol with urea leads to the formation of
20imidazolidone.
The reaction is best carried out in two steps.First, a mixture of ethylene glycol and an excess of urea is heated gradually from 150 to 240 during a
period of several hours. Ammonia and carbon dioxide are evolved and a brittle resinous solid is obtained.Hydrolysis with water at 250c converts this
material into 2-imidazolidone.
The Chemistry of Heterocyclic Compounds, Imidazole and Its Derivatives By Klaus Hofmann,p.227
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Is there any easier way for preparing Imidazolidone?What is method for converting Imidazolidone to ethylenediamine or Ethylenediamine diacetic acid?
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