Nanoscale Double-Core Oligosilane Dendrimers: Synthesis, Structure, and Electronic Properties
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The novel nanoscale double-core oligosilane dendrimers of formula {[R(Me3Si)2SiMe2Si]2SiMeSiMe2Si(SiMe3)2SiMe2}2 (3a, R = Me; 3b, SiMe3) have been prepared by a new synthetic approach, involving the reaction of KSi(SiMe3)2SiMe2SiMe2Si(SiMe3)2K with ClMe2SiSiMe[SiMe2Si(SiMe3)2R]2 (2a, R = Me; 2b, R = SiMe3). The X-ray studies reveal both molecules to have longest chains of 14 silicon atoms and totals of 28 (3a) and 32 (3b) silicon atoms.
创建时间：
2008-02-11
