Process for producing 1,3-dimethyl-2-imidazolidinone

Details Process for producing 1,3-dimethyl-2-imidazolidinone Process for producing 1,3-dimethyl-2-imidazolidinone

C - Chemistry, Metallurgy

07

D

260/315.1

C07D 233/32 (2006.01)

Patent

CA 1259321

Abstract A process for producing 1,3-dimethyl-2-imidazolidinone with a high yield which comprises reacting N,N'-dimethyl- ethylene diamine and/or its hydrochloride with phosgene in the presence of a substantial amount of water and a dehydro-chlorinating agent. Particularly, higher yield is attained by carrying out the reaction in water medium while controlling a pH to the range of 3.0 to 10.0 by adding a dehydro-chlorinating agent. - 1 -

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