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Fritz, Peter M.; Beck, Wolfgang (2017): Organometallic Lewis Acids, Part LXI.([1]) Cationic Pentacarbonylrhenium Complexes [( OC)₅Re-L]⁺BF₄- with Aromatic Amines (L) as Ligands. In: Zeitschrift für Anorganische und Allgemeine Chemie, Vol. 643, No. 3: pp. 225-227
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Aromatic amines (aniline and derivatives) react with (OC)(5)ReFBF3 to give the cationic complexes [(OC)(5)Re-L](+) as BF4- salts under mild conditions and in high yields. Dinuclear, dicationic complexes are formed with o- and p-phenylenediamine. Substitution of tetrafluoroborate by the N-donors is preferred before attack at a carbonyl ligand.