A kind of preparation method of pinacol borine

The present invention relates to chemical industry synthesis field, discloses a kind of preparation method of pinacol borine, and this method includes pinacol and two chloroboranes carrying out condensation reaction in the basic conditions.Method provided by the invention is used to prepare pinacol borine with relatively high and stable yield, and synthetic method is simple, raw material is easy to get and inexpensively, can greatly reduce production cost, be more suitable for industrialized production.