Synthesis and characterization of N-methyl-substituted germocanes. Crystal structure of MeN(CH2CH2O)(2)GeBr2статья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The reaction of GeHal(4) with MeN(CH2CH2OSiMe3)(2) affords dihalogermocanes MeN(CH2 CH2O)(2)GeHal(2) (1, Hal = Br; 2, Hal = Cl). Treatment of Me2Ge(NMe2)(2) with MeN(CH2CH2OH)(2) leads to dimethylgermocane MeN(CH2CH2O)(2)GeMe2 (3). The composition and structure of 1-3 were established by elemental analyses, H-1, C-13 NMR spectroscopy, and mass spectrometry. The crystal structure of 1 is reported; structural data obtained from geometry DFT optimization on 1 are in good agreement with experimental results. Values of the electron density in the N --> Ge bond critical point and the Laplacian of charge density for 1-3 indicate a closed-shell interaction between the Ge and N atoms.