Cyanogen bromide is also widely used in synthesis since the electrophilic cyanide ion is attacked by nucleophiles such as amines, alcohols, and thiols.
Cyanogen bromide is also widely used in organic synthesis as a source of "CN +". DOI: 10.1002/047084289X.rc269 The reagent is attacked by nucleophiles such as amines, alcohols, and thiols.