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LiK(Me
4
N)
6
S
HS
Ti
S
HS
O
HN
O
HN
1. Ti(OPr)
4
Li
2
CO
3
/K
2
CO
3
2. (Me
4
N)Cl
O
Ti
O
H
methanol
H
NH
S
SH
NH
S
S
Ti
SH
Ti
O
SH
O
S
SH
H
6
-
7
LiK(Me
4
N)
6
[Ti
4
(
7
)
4
]
Scheme 5.4
Synthesis of the tetranuclear complex LiK(Me
4
N)
6
[Ti
4
(7)
4
].
Ti1
K
Ti2
Ti2*
Ti1*
8-
8-
O
O
Ti
S
O
Ti
HN
S
H
N
O
O
HN
Ti
O
NH
N
H
Ti
H
N
O
O
Ti
O
S
Ti
O
O
O
S
Ti
S
Ti
S
[Ti
4
(
7
)
4
]
8-
[Ti
4
(tricatecholato ligand)
4
]
8-
Figure 5.12 Molecular structure of the [Ti
4
(7)
4
]
8
anion with the encapsulated cations (top,
Me
4
N
รพ
cations in black) and schematic representation of the C
3
-symmetric ligands in the
anions [Ti
4
(7)
4
]
8
and the analogous octaanion with the tri(catecholato) ligand (bottom).
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