Comparison of Magnesium and Zinc in Cationic π-Arene and Halobenzene Complexes

The reaction of (tBuBDI)ZnEt with [Ph3C+][B(C6F5)4−] yielded the cation (tBuBDI)Zn+ (tBuBDI = CH[C(tBu)N-DIPP]2, DIPP = 2,6-diisopropylphenyl). The cation is sterically too shielded to interact wit...