Process of preparing linearly-extended...

Details Process of preparing linearly-extended... Process of preparing linearly-extended...

C - Chemistry, Metallurgy

07

D

C07D 295/13 (2006.01) C07C 209/16 (2006.01) C07C 211/14 (2006.01) C07D 295/023 (2006.01) C07D 487/08 (2006.01)

Patent

CA 2085999

2085999 9200271 PCTABS00010 A process of preparing linearly-extended polyalkylenepolyamines, such as linear and branched polyethylenepolyamines, comprising contacting a difunctional aliphatic alcohol, such as monoethanolamine, with a reactant aliphatic amine, such as ethylenediamine, in the presence of a metal silicate catalyst wherein the metal is selected from Groups IIIB, IVB, VB and the lanthanide rare earth metals. Reactions of piperazines with alkanolamines to yield alcohol-extended and/or amine-extended piperazines are included in the process of this invention.

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