Boronate Acid Compounds
Boronates are esters and salts of boronic acid. Boronic acid is a compound related to boric acid in which one of the three hydroxyl groups has been replaced by either an alkyl or an aryl group. The boronic acids are derived from boron, an element that is found in the earth’s crust as boric oxide (B(OH)O). Boronic acids can be produced by reacting a borate salt with either acetic or propionic acid to form the corresponding borinic acid.