Synthesis of ethyleneimine dimer

C - Chemistry – Metallurgy – 07 – D

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C07D 203/08 (2006.01) C07D 203/06 (2006.01) C12N 7/06 (2006.01)

Patent

CA 2361565

The invention provides a method to synthesizing ethyleneimine dimer. This method of synthesis provides several advantages over previous methods: (1) the starting compounds are all relatively inexpensive, (2) the yield of product is greater than 20 % of the theoretical yield; and (3) the steps of synthesis are easy, inexpensive and amenable to large-scale production. All of these advantages allow for less expensive production of ethyleneimine dimer.

L'invention concerne une technique permettant de réaliser la synthèse de l'éthylèneimine dimère. Cette technique de synthèse offre plusieurs avantages par rapport aux techniques antérieures: 1) les composés de départ sont tous relativement bon marché; 2) le rendement du produit est supérieur de 20 % au rendement théorique; et 3) les étapes de la synthèse sont faciles, peu chères et permettent une production à grande échelle. Tous ces avantages permettent une production d'éthylèneimine moins chère.

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