Preparation of benzyl cyanide by benzyl bromide
In the past, there were craftsmen who wanted to start with benzyl bromide to make benzyl cyanide. The method is as follows:
Put benzyl bromide in the kettle, add an alcoholic solution of potassium cyanide, and stir it slowly. The outside of the kettle is heated in a water bath, do not make a thermal step to prevent it from changing. Over time, benzyl bromide and potassium cyanide gradually merge, and bromine is prone to cyanide to form benzyl cyanide.
Apply to finish, and take its organic phase by separating the liquid. After that, wash it with water, except for the unsuitable salt. Then add a desiccant to remove it from the wetness. Finally, by distillation, pure ben
This way, although simple, is of great use in medicine and various karma. The craftsman carefully does it, and he obtains good products.