254111-07-4Relevant academic research and scientific papers
Synthesis and structures of a series of Ge-M (M=C, Si, and Sn) compounds derived from germyllithium containing three 2-(dimethylamino)phenyl groups on germanium
Kawachi, Atsushi,Tanaka, Yoko,Tamao, Kohei
, p. 15 - 24 (2007/10/03)
Reactions of {tris[2-(dimethylamino)phenyl]germyl}lithium (1) with Group 14 electrophiles afford the corresponding carbogermane, silylgermane, and stannylgermane compounds containing three 2-(dimethylamino)phenyl groups on the germanium atom. X-ray structure analysis of these structures was performed and revealed that: (1) the steric repulsion between the amino groups and the substituents is mainly reflected by the torsion angle M-Ge-Cipso-Cortho; (2) the N...M atomic distances are within the sum of the van der Waals radii; (3) in a series of the silylgermanes, the Ge-Si bond lenght increases as the size of the silyl group increases: -SiH3=SiMe2H=SiMe3=SiMe2-t-Bu.
