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METHOD FOR SEPARATING N,N,N'-TRIMETHYLBISAMINOETHYLETHER AND/OR N,N-DIMETHYLBISAMINOETHYLETHER FROM A MIXTURE
METHOD FOR SEPARATING N,N,N'-TRIMETHYLBISAMINOETHYLETHER AND/OR N,N-DIMETHYLBISAMINOETHYLETHER FROM A MIXTURE
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机译:从混合物中分离N,N,N'-三甲基双亚氨基乙基醚和/或N,N-二甲基双亚氨基乙基醚的方法
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摘要
The present invention relates to a method for separating N,N,N'-trimethylbisaminoethylether and/or N,N-dimethylbisaminoethylether, from a mixture A comprising N,N,N'-trimethylbisaminoethylether, and N,N-dimethylbisaminoethylether, wherein said method comprises the steps of: (a) contacting said mixture A with an acylating agent, to form a mixture B comprising the amides of N,N,N'-trimethylbisaminoethylether and of N,N-dimethylbisaminoethylether, respectively; and (b1) separating the amide of N,N,N'-trimethylbisaminoethylether from mixture B; and (c1) recovering N,N,N'-trimethylbisaminoethylether from its amide by means of a transamidation reaction; and/or (b2) separating the amide of N,N-dimethylbisaminoethylether from mixture B; and (c2) recovering N,N-dimethylbisaminoethylether from its amide by means of a transamidation reaction.
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