Azametallatranes of group 14 elements. Syntheses and X-ray studiesстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Syntheses of a series of the title compounds, viz., N(CH2CH2NR)(3)M-X (1, M = Si, X = Me, R = SiMe3; 2, M = Si, X = Et, R = SiMe3; 3, M = Si, X = n-Bu, R = SiMe3; 4, M = Si, X = vinyl, R = SiMe3; 5, M = Si, X = Ph, R = SiMe3; 6, M = Ge, X = Me, R = SiMe3; 7, M = Ge, X = n-Bu, R = SiMe3; 8, M = Ge, X = Ph, R = SiMe3; 9, M = Sn, X = n-Bu, R = SiMe3; 10, M = Sn, X = Ph, R = SiMe3; 11, M = Si, X = vinyl, R = Me; 12, M = Ge, X = Me, R = Me) by the reaction of X-MCl3 with N(CH2CH2NSiMe3Li)(3) or with N(CH2CH2NMeLi)(3) are reported. Reactions of the novel compounds X-Ge(NMe2)(3) (15, X = Ph; 16, X = 1-naphthyl; 17, X = 9-antracenyl; 18, X = 9-phenantrenyl) with N(CH2CH2NHMe)(3) or N(CH2CH2NH2)(3) resulted in new 1-arylazagermatranes, N(CH2CH2NMe)(3)Ge-X (19, X = Ph; 20, X = 1-naphthyl; 21, X = 9-antracenyl; 22, X = 9-phenantrenyl) and N(CH2CH2NH)(3)Ge-X (23, X = Ph; 24, X = 1-naphthyl; 25, X = 9-phenantrenyl), respectively. 1-Phenylazager-matrane (23) is transformed to 8 by treatment with n-BuLi/Me3SiCl. Composition and structures of novel compounds were established by elemental analyses, H-1, C-13, and Si-29 NMR spectroscopy, and mass spectrometry. The X-ray structural studies of 10 and 19 clearly indicated the presence of a transannular interaction M<--N-ax for both compounds. quasi-Azametallatranes 5 and 8 possess extremely long M<--N-ax distances.