2,5-Dimethyl-3,3,6,6-tetraphenyl-1,4-dioxa-2,5-diazonia-3,6- diboratacycloh
exane, C26H28B2N2O2, occupies a crystallographic inversion centre, and cont
ains a six-membered BONBON heterocyclic ring, with a chair conformation and
dative B-N bonds of length 1.640 (1) Angstrom.