Synthesis and Structural Characterization of Metallogermylenes, Cp-Substituted Germylene, and a Germanium(II)-Borane Adduct from Pyridyl-1-azaallyl Germanium(II) Chloride
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https://figshare.com/articles/dataset/Synthesis_and_Structural_Characterization_of_Metallogermylenes_Cp_Substituted_Germylene_and_a_Germanium_II_Borane_Adduct_from_Pyridyl_1_azaallyl_Germanium_II_Chloride/2480377
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The reaction of [{N(SiMe3)C(Ph)C(SiMe3)(C5H4N-2)}GeCl] (1) with
Na[M(η5-C5H5)(CO)3]·2DME (M
= Mo, W) afforded the metallogermylenes [{N(SiMe3)C(Ph)C(SiMe3)(C5H4N-2)}Ge-M(η5-C5H5)(CO)3] (M = Mo (2),
W (3)). Compounds 2 and 3 have
been characterized by X-ray crystallography and NMR and IR spectroscopy.
Structural analyses of compounds 2 and 3 are consistent with the presence of lone-pair electrons at the germanium(II)
center. The Ge–Mo and Ge–W bond distances of 2.875(1)
and 2.852(1) Å are consistent with Ge–metal single bonds.
The chlorogermylene 1 was also used in the synthesis
of a substituted germylene, [{N(SiMe3)C(Ph)C(SiMe3)(C5H4N-2)}Ge(η1-C5H5)] (4), by reaction with sodium cyclopentadienylide.
The reaction of compound 1 with tris(pentafluorophenyl)borane
led to the formation of a Lewis acid–base adduct, [{N(SiMe3)C(Ph)C(SiMe3)(C5H4N-2)}Ge(Cl)→B(C6F5)3] (5).
创建时间：
2016-02-20
