Acetonitrile → N,N-Dimethyl-N-octyltetradecan-1-aminium bromide

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Reaction Conditions

Reaction Steps

The procedure is as described in Example 1, but the following are added successively to the flask with stirring: 145.3 g (0.60 mol) of N-tetradecyl-N,N-dimethylamine, 267.0 g (6.5 mol) of acetonitrile and 121.7 g (0.63 mol) of 1-bromooctane. The mixture is heated to 80° C. with stirring and kept at this temperature for 4 hours and then cooled to room temperature, and an amine conversion of 98% is determined in a sample of the contents of the flask by a residual amine determination. Working-up is carried out as described in Example 1. The N-tetradecyl-N-octyl-N,N-dimethylammonium bromide (4) thus obtained is used for the viscosity determinations described below. The following contents are determined analytically:

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