Heterodinuclear Bridging Carbido and Phosphoniocarbyne Complexes

Heterodinuclear Bridging Carbido and Phosphoniocarbyne Complexes

The sequential treatment of [W(CBr)(CO)2{HB(pzMe2)3}] (pz = pyrazol-1-yl) with n BuLi and [NiCl2(PEt3)2] initially affords the bridging carbido complex [WNi(μ-C)(CO)2(PEt3)2Cl{HB(pzMe2)3}], which is however unstable and isomerizes cleanly to the bridging phosphoniocarbyne complex [WNi(μ-CPEt3)(CO)2...

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Veröffentlicht in:Organometallics 2012-04, Vol.31 (7), p.2538-2542
Hauptverfasser: Hill, Anthony F, Sharma, Manab, Willis, Anthony C
Format: Artikel
Sprache:eng
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Zusammenfassung:The sequential treatment of [W(CBr)(CO)2{HB(pzMe2)3}] (pz = pyrazol-1-yl) with n BuLi and [NiCl2(PEt3)2] initially affords the bridging carbido complex [WNi(μ-C)(CO)2(PEt3)2Cl{HB(pzMe2)3}], which is however unstable and isomerizes cleanly to the bridging phosphoniocarbyne complex [WNi(μ-CPEt3)(CO)2(PEt3)Cl{HB(pzMe2)3}].
ISSN:0276-7333
1520-6041
DOI:10.1021/om201057c