Methods for attaching metal-capped sp carbon chains to metal clusters: synthesis, structure and reactivity of rhenium–triosmium carbon complexes [(η5-C5Me5)Re(NO)(PPh3)(C C)nOs3(CO)10H]
作者:Stephen B. Falloon、Atta M. Arif、J. A. Gladysz
DOI:10.1039/a607884b
日期:——
Reactions of
[(η
5
-C
5
Me
5
)Re(NO)(PPh
3
)
(CC)
n
H}] and
[Os
3
(CO)
10
(NCMe)
2
] give the title
Re(CC)
n
Os
3
complexes (n =
1â3, 83â61%); a crystal structure (n = 1), and IR and
NMR properties, indicate contributions by neutral
Reâ(CC)
n
â(Os
3
) and
zwitterionic
+
Re(CC)
n
(Os
3
)
-
resonance forms.
通过[(δ- 5 -C 5 Me 5 )Re(NO)(PPh 3 ) (CC) n H}]和[Os 3 (CO) 10 (NCMe) 2 ]的反应,得到了标题为 Re(CC) n Os 3 的复合物(n = 1â3, 83â61% );晶体结构(n = 1)以及红外和核磁共振特性表明,中性 Reâ(CC) n â(Os 3 ) 和齐聚物 + Re(CC) n (Os 3 ) - 共振形式对其有贡献。