Sterically Unprotected Nucleophilic Boron Cluster Reagents

Herein, we demonstrate that the bench stable <i>closo</i>-hexaborate cluster anion can engage in a nucleophilic substitution reaction with a wide array of organic and main group electrophiles. The resulting molecules containing B‒C bonds can be further converted to tricoordinate boron species widely used in organic synthesis.<br>