Boratabenzene is the heteroaromatic anion with the formula [C5H5BH]−.
Derivatives of boratabenzene are ligands akin to cyclopentadienyl anion.
sandwich or half-sandwich type complexes of many transition metals have been reported.
[2][3] Electronically related heterocycles are adducts of borabenzene.
The adduct C5H5B·pyridine exhibits properties of boratabenzene anion, i.e., it has the character C5H5B−-N+C5H5.