期刊
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
卷 644, 期 18, 页码 1123-1132出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/zaac.201800358
关键词
Weakly coordinating anion (WCA); Silver; ...
Silver(I) salts of weakly coordinating anions (WCA) are commonly applied as oxidizing agents or halide abstracting reagents. The feasibility of a particular silver salt for such applications strongly depends on the nakedness of the silver cation. In this study the reactivity of Ag[Me3NB12Cl11] in different solvents was investigated. Crystal structures of a variety of complexes were obtained. In several crystal structures two boron clusters are bridged by Ag-Cl contacts. This leads to polymeric structures (e.g. for Ag[Me3NB12Cl11] center dot 0.5CH(2)Cl(2) and Ag[Me3NB12Cl11]center dot SO2). Sterically demanding aromatics like mesitylene, pyrene, and acenaphthene are.1-or.2-bonded to the silver atom and also form coordination polymers, whereas benzene as a ligand leads to a molecular structure, in which two benzene molecules are.2-coordinated to the silver cation. In contrast, strong s donor ligands like pyridine and triphenylphosphine give homoleptic silver complexes and thus cation and anion are separated. Furthermore, the ability of Ag[Me3NB12Cl11] for performing metathesis reactions was investigated. The reaction with AuICl gave the [Au(NCMe)(2)](+) cation.
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