Nucleophilic substitution vs. acid–base reactions of
[Mn{N(SiMe3)2}2]·2thf;
syntheses and structures of
2[Li(thf
)4]+[Mn(C12H
8N)4]2-·C6
H5Me and
[Mn(C12H8N)2]·3thf
(thf = tetrahydrofuran,
C12H8N = carbazol-9-yl)
Abstract
The ion-separated complex
2[Li(thf)
4
]
+
[Mn(C
12
H
8
N)
4
]
2-
1 has been obtained from the
nucleophilic substitution reaction of
[Mn{N(SiMe
3
)
2
}
2
]·2thf
with Li[C
12
H
8
N] (1∶4 equivalents)
(thf = tetrahydrofuran,
C
12
H
8
N = carbazol-9-yl), and the
molecular species
[Mn(C
12
H
8
N)
2
]·3thf 2 from the
acid–base reaction of
[Mn{N(SiMe
3
)
2
}
2
]·2thf
and C
12
H
8
NH (1∶2 equivalents). They are
among the few amidomanganese(II) complexes containing simple
(sterically undemanding) dialkyl- or diaryl-amido groups to be
characterised. The crystal structures of both were determined: 1
contains the first tetraamidomanganese(II) dianion and 2
possesses the highest co-ordination number for Mn
II
in such a
compound.
)
4
]
+
[Mn(C
12
H
8
N)
4
]
2-
1 has been obtained from the
nucleophilic substitution reaction of
[Mn{N(SiMe
3
)
2
}
2
]·2thf
with Li[C
12
H
8
N] (1∶4 equivalents)
(thf = tetrahydrofuran,
C
12
H
8
N = carbazol-9-yl), and the
molecular species
[Mn(C
12
H
8
N)
2
]·3thf 2 from the
acid–base reaction of
[Mn{N(SiMe
3
)
2
}
2
]·2thf
and C
12
H
8
NH (1∶2 equivalents). They are
among the few amidomanganese(II) complexes containing simple
(sterically undemanding) dialkyl- or diaryl-amido groups to be
characterised. The crystal structures of both were determined: 1
contains the first tetraamidomanganese(II) dianion and 2
possesses the highest co-ordination number for Mn
II
in such a
compound.
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)4]+[Mn(C12H
8N)4]2-·C6
H5Me and
[Mn(C12H8N)2]·3thf
(thf = tetrahydrofuran,
C12H8N = carbazol-9-yl)