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

Filed on

1985-11-01

Date issued

1987-05-26

Examiner

Jiles, Henry R.

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Heterocyclic carbon compounds containing a hetero ring...

Other Related Categories

C07D23334

Type

Patent

Status

active

Patent number

046687939

Description

ABSTRACT:
A process for producing 1,3-dimethyl-2-imidazolidinone with a high yield which comprises reacting N,N'-dimethylethylene diamine and/or its hydrochloride with phosgene in the presence of a substantial amount of water and a dehydrochlorinating 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 dehydrochlorinating agent.

REFERENCES:
Puschin et al. Compounds of Phosgene with Hexamethylenetetramine, m-Toluidine and Ethylenediamine.

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