Coupling of acetylide and C2 fragments during cluster condensation: pyrolysis of [{Ru3(µ-H)(µ3-C2But )(CO)8}2(µ-dppa)] [dppa = C2(PPh2)2]
Abstract
Thermolysis of
[{Ru
3
(µ-H)(µ
3
-C
2
Bu
t
)(CO)
8
}(µ-dppa)]
[dppa = C
2
(PPh
2
)
2
]
gave two hexanuclear cluster complexes which were characterised
as
[Ru
6
(µ
5
-Bu
t
CH![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
CHC
2
PPh
2
)(µ
4
-C
2
Bu
t
)
(
µ-PPh
2
)(CO)
13
] and
[Ru
6
(µ
6
-C
2
CHCHBu
t
)(µ
3
-C
2
Bu
t
)(µ-PPh
2
)
2
(µ-CO)(CO)
12
] by X-ray
crystallography, partial hydrogenation of the
C
2
Bu
t
moiety being confirmed by
1
H NMR spectroscopy.
CHC
2
PPh
2
)(µ
4
-C
2
Bu
t
)
(
µ-PPh
2
)(CO)
13
] and
[Ru
6
(µ
6
-C
2
CHCHBu
t
)(µ
3
-C
2
Bu
t
)(µ-PPh
2
)
2
(µ-CO)(CO)
12
] by X-ray
crystallography, partial hydrogenation of the
C
2
Bu
t
moiety being confirmed by
1
H NMR spectroscopy.
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