Organic nitrogen-containing compounds

Details Organic nitrogen-containing compounds Organic nitrogen-containing compounds

C - Chemistry, Metallurgy

07

D

167/304, 260/519

C07D 233/78 (2006.01) C11D 1/10 (2006.01) C11D 3/26 (2006.01)

Patent

CA 1117137

A B S T R A C T The reaction of an imidazoline base of the formula:- Image wherein R represents an aliphatic group comprising from 6 to 22 carbon atoms and R1 represents a substituted or unsubstituted alkyl or alkenyl group comprising 1 to 4 carbon atoms, with a carbo-alkylating agent is carried out in two stages. Initially the pH is maintained in the range 7 to 11 and subsequently it is maintained in the range 9 to 12.5. These conditions encourage at least part of the imidazoline to undergo alkylation followed by hydrolysis and further alkylation. The di alkylated amido- amines thus produced are believed to be novel. The reaction products are surfactants which exhibit very low skin irritancy and have a desirabiy low viscosity. They find particular application in shampoo formulations.

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