Gold(III) complexes with 1,2-disulfanyl-1,2-dicarba-closo-dodecaborane. Synthesis and partial degradation reactions of [Au(S2C2B10H10 )2]- salts
Abstract
The reaction of
1,2-disulfanyl-1,2-dicarba-closo-dodecaborane, under basic
conditions, with [N(PPh
3
)
2
][AuCl
4
] or
[AuCl
3
(tht)]–NBu
4
Br (molar ratio 2∶1)
(tht = tetrahydrothiophene) resulted in the formation of
the homoleptic gold(III) derivative
Q[Au(S
2
C
2
B
10
H
10
)
2
] [Q = N(PPh
3
)
2
or
NBu
4
]. Treatment of this complex with hydrazine or
phenylhydrazine partially degraded one or both carborane cages,
respectively. The complexes
[NBu
4
][Au(S
2
C
2
B
10
H
10
)
2
] and
[NBu
4
]
2
[Au(S
2
C
2
B
9
H
10
)(S
2
C
2
B
10
H
10
)] have been characterized by X-ray diffraction studies.
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