733810-50-9Relevant academic research and scientific papers
Stable germylenes derived from 1,2-Bis(arylimino)acenaphthenes
Fedushkin, Igor L.,Skatova, Alexandra A.,Chudakova, Valentina A.,Khvoinova, Natalie M.,Baurin, Andrey Yu,Dechert, Sebastian,Hummert, Markus,Schumann, Herber
, p. 3714 - 3718 (2004)
Metal exchange reactions of the magnesium complexes (dpp-BIAN)Mg(THF) n, (dtb-BIAN)-Mg(THF)n, and (bph-BIAN)Mg(THF)n with GeCl2(dioxane) afford the stable germylenes (dpp-BIAN)Ge (1), (dtb-BIAN)Ge(Et2O) (2), and (bph-BIAN)Ge (3), respectively (dpp-BIAN = 1,2-[(2,6-iPr2C6H3)N]2C 12H6, dtb-BIAN = 1,2-[(2,5-tBu2C 6H3)N]2C12H6, bph-BIAN = 1,2-[(2-PhC6H4)N]2C12H6). Compound 1 is also obtained from (dpp-BIAN)Na4 and GeCl4 in Et2O. The germylenes 1-3 were characterized by elemental analyses, 1H NMR, 13C NMR, and IR spectroscopy, and X-ray crystal structure analyses. In the monomeric molecules the two imino nitrogen atoms coordinate the germanium atom. The aryl(N) groups are arranged rather orthogonal to the acenaphthenediimine plane. Compound 3 shows an anti geometry with the ortho phenyl substituents of both N-phenyl rings positioned on opposite sides of the acenaphthenediimine plane. The bite angles N-Ge-N are 85.2° (1) and 85.0° (3), respectively. The Ge-N bond distances in 1-3 range from 1.878 to 1.915 A.
