SCHEDULED MAINTENANCE
The novel, chelating C, N-bidentate 2,6-bis(dimethylamino)phenyl ligand (R-), showing ambidentate N,N′-character in M(R)2 (M = Ge, Sn, Pb) and Sn(R)X [X = N(SiMe3)2, CH(SiMe3)2, Cl]
Abstract
Treatment of MCl
2
or
[Sn(µ-Cl){N(SiMe
3
)
2
}]
2
with
[Li(µ-R)]
3
[R =
C
6
H
3
(NMe
2
)
2
-2,6] under mild
conditions and in appropriate stoichiometry affords MR
2
(M = Ge
1, Sn 2, Pb 3) or Sn(R)X [X = N(SiMe
3
)
2
4, Cl 6],
while 4 or 6 with LiCH(SiMe
3
)
2
give
SnR[CH(SiMe
3
)
2
] 5; compounds 1–6 are
characterised by their multinuclear NMR and MS spectra and 1–3 by
X-ray crystal structures.
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