Procedure for obtaining N-acyloyl-N'-alkyl-alkylenediamines of general formula I: **(See formula)** where R signifies a divalent aliphatic, cycloaliphatic, aromatic or bicyclic residue which together with the dicarbonylamino group forms a 5-, 6- or 7-membered ring, R1 signifies hydrogen or an alkyl residue with 8-12 carbon atoms, R2 signifies a alkyl radical with 8 to 22 carbon atoms, n represents the number 2, 3, 4, 5 or 6; characterized in that an N-alkylenediamine of general formula II **(See formula)** it is reacted with an acylating agent of general formula XII: **(See formula)** where R, R1, R2 and n have the meaning indicated above and X and X1 signify Cl, Br, OH or X and X1 together signify -O-, at temperatures of 80 to 180ºC and then condensed under reduced pressure. (Machine-translation by Google Translate, not legally binding)
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