Patent ID: 9302979
Filing Date: 2016-04-05
CPC Classification: C07C

Claim Text:
1. A bis (2-dialkylaminoethyl) ether synthesizing method comprising steps of: i) synthesizing: wherein N,N-dialkylethanolamine, N,N-dialkylamine and ethyne are mixed at a mole ratio of 4:3:1 or 2:1:1 as a raw material; the raw material, catalyst and solvent are added in a high-pressure autoclave for reaction in a sealed condition; a weight of catalyst accounts for 2.0%-10.5% of the total weight of the raw material; a reaction temperature is 50-120° C. and the reaction time is 3-7 hours; and the autoclave is opened after reaction, the catalyst is removed by filtering and a filtrate is collected; and ii) separating: wherein the filtrate obtained in the step i) is rectified with bis (2-dialkylaminoethyl) ether as product.