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The Parent Cyclopentadienyltin Cation, Its Toluene Adduct, and the Quadruple‐Decker [Sn 3 Cp 4 ] 2+
Author(s) -
Schleep Mario,
Hettich Clarissa,
Velázquez Rojas Jennifer,
Kratzert Daniel,
Ludwig Thilo,
Lieberth Katharina,
Krossing Ingo
Publication year - 2017
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201611351
Subject(s) - adduct , toluene , chemistry , cationic polymerization , cyclopentadienyl complex , medicinal chemistry , salt (chemistry) , crystallography , ligand (biochemistry) , stereochemistry , polymer chemistry , organic chemistry , catalysis , biochemistry , receptor
Truly 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(CF 3 ) 3 } 4 ] − and [{(F 3 C) 3 CO} 3 Al−F−Al{OC(CF 3 ) 3 } 3 ] − anions. [SnCp][Al{OC(CF 3 ) 3 } 4 ] was used to prepare the first main‐group quadruple‐decker cation [Sn 3 Cp 4 ] 2+ again as the [Al{OC(CF 3 ) 3 } 4 ] − salt. Additionally, the toluene adduct [CpSn(C 7 H 8 )][Al{OC(CF 3 ) 3 } 4 ] was obtained.
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