Apeloig, Yitzhak; Yuzefovich, Michael; Bendikov, Michael; Bravo-Zhivotovskii, Dmitry; Blaser, Dieter; Boese, Roland:

Branched star-type polysilyllithium compounds: The effects of b-silyl substitution and of complexation on their molecular structure.

In: Angewandte Chemie, International Edition, Jg. 40 (2001) ; Nr. 16, S. 3016-3020
ISSN: 1433-7851
Zeitschriftenaufsatz / Fach: Chemie
The prepn. and x-ray structure detn. of first branched star-type polysilyllithium compd., (Me3SiMe2Si)3Si-Li, in which three silicon atoms are contained in each side chain, is reported. Thus, reaction of (Me3SiMe2Si)3Si-HgtBu with Li/hexane (ultrasonic radiation) or Li/THF gave [(Me3SiMe2Si)3Si-Li]2 (1) and (Me3SiMe2Si)3Si-Li.3THF (2) resp. The crystal structures of 1 and 2 and mol. structure calcns. of model compds. are reported.

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