Abstract
AbstractTruly cationic metallocenes with the parent cyclopentadienyl ligand are so far unknown for the Group 14 elements. Herein we report on an almost “naked” [SnCp]+ cation with the weakly coordinating [Al{OC(CF3)3}4]− and [{(F3C)3CO}3Al−F−Al{OC(CF3)3}3]− anions. [SnCp][Al{OC(CF3)3}4] was used to prepare the first main‐group quadruple‐decker cation [Sn3Cp4]2+ again as the [Al{OC(CF3)3}4]− salt. Additionally, the toluene adduct [CpSn(C7H8)][Al{OC(CF3)3}4] was obtained.
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