Von Braun reaction

von Braun reaction
Named after Julius von Braun
Reaction type Substitution reaction
Reaction
tertiary amine
+
cyanogen bromide
organocyanamide

The von Braun reaction is an organic reaction in which a tertiary amine reacts with cyanogen bromide to an organocyanamide. An example is the reaction of N,N-dimethyl-1-naphthylamine:

These days, most chemist have replaced cyanogen bromide reagent with chloroethyl chloroformate reagent instead. It appears as though Olofson et al. was the first chemist to have reported this.