Zusammenfassung
A solution of B,B',B ''-tribromoborazine (BrBNH)(3) in excess C6D6 in a sealed NMR tube shows no changes for over 14 months at room temperature but undergoes fast (within minutes) HID exchange in the presence of AlBr3 as a Lewis acid, as evidenced by H-1, H-2, B-11, and Al-27 NMR spectroscopy. The proposed electrophilic exchange mechanism is in agreement with the results of DFT computations. To ...
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