σ-Borane Coordinated to Nickel(0) and Some Related Nickel(II) Trihydride Complexes

The reactions of the complexes [(dcype)NiH]2, 1, [(dippe)NiH]2, 2, and [(dtbpe)NiH]2, 3, with a mixture of BEt3 and Super-Hydride (LiHBEt3) afforded σ-borane nickel(0) compounds of the type [(dcype)Ni(σ-HBEt2)], 4, [(dippe)Ni(σ-HBEt2)], 5, [(dtbpe)Ni(σ-HBEt2)], 6, respectively, with the concomitant...

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Veröffentlicht in:	Journal of the American Chemical Society 2005-12, Vol.127 (51), p.18066-18073
Hauptverfasser:	Crestani, Marco G, Muñoz-Hernández, Miguel, Arévalo, Alma, Acosta-Ramírez, Alberto, García, Juventino J
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Exact sciences and technology Inorganic chemistry and origins of life Kinetics and mechanism of reactions
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Zusammenfassung:	The reactions of the complexes [(dcype)NiH]2, 1, [(dippe)NiH]2, 2, and [(dtbpe)NiH]2, 3, with a mixture of BEt3 and Super-Hydride (LiHBEt3) afforded σ-borane nickel(0) compounds of the type [(dcype)Ni(σ-HBEt2)], 4, [(dippe)Ni(σ-HBEt2)], 5, [(dtbpe)Ni(σ-HBEt2)], 6, respectively, with the concomitant formation in each case of [(dcype)2Ni2(H)3][BEt4], 7, [(dippe)2Ni2(H)3][BEt4], 8 and [(dtbpe)2Ni2(H)3][BEt4], 9, respectively. X-ray crystal structures are reported for 4 and 8.The reaction of BEt3 and LiHBEt3 was also reviewed in detail.
ISSN:	0002-7863 1520-5126
DOI:	10.1021/ja056000m