2,8-Dimesitylboranyl-6H,12H-5,11-methano­dibenzo[b,f][1,5]diazo­cine

In the title compound, C₅₁H₅₆B₂N₂, a substituted Tröger's base, the dihedral angle between the two benzene rings constituting the Tröger's base framework is 104.42 (6)°. The crystal structure is stabilized by C—H...π and weak C—H...N inter­actions.