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Synthesis and Characterization of Chiral Bis(aminato)iridate(I) and Aminato-Bridged Iridium(I) Complexes

✍ Scribed by Romano Dorta; Antonio Togni

Publisher: John Wiley and Sons
Year: 2000
Tongue: German
Weight: 133 KB
Volume: 83
Category: Article
ISSN: 0018-019X
DOI: 10.1002/(sici)1522-2675(20000119)83:1<119::aid-hlca119>3.0.co;2-q

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✦ Synopsis

The two dinuclear Ir I complexes [Ir 2 (m-Cl)

) smoothly react with 4 equiv. of the lithium salt of aniline to afford the new bis(anilido)iridate(I) ( bis(benzenaminato)iridate(1-)) complexes Li[Ir(NHPh) 2 {(R)-(S)-PPF-PPh 2 }] (4) and Li[Ir(NHPh) 2 {(R)-binap}] (5), respectively. The anionic complexes 4 and 5 react upon protonolysis to give the dinuclear aminato-bridged derivatives [Ir 2 (m-NHPh) 2 {(R)-(S)-PPF-PPh 2 } 2 ] (6) and [Ir 2 (m-NHPh) 2 {(R)-binap} 2 ] (7), which were characterized by X-ray crystallography. None of the new complexes 4 ± 7 shows catalytic activity in the hydroamination of olefins.

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