{N',N''-Bis[2,6-bis-(1-methyl-ethyl)phen-yl]-N,N-dimethyl-guanidinato-κN',N''}dibromido-borane.

In the mol-ecular structure of the title compound, C(27)H(40)N(3)BBr(2), the B atom is connected to two bromide substituents and a guanidinate scaffold, forming a four-membered ring. An aryl group is connected to each N atom in the ring that contains two isopropyl groups in positions 2 and 6.