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Issue 5, 2017
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Tridentate Lewis-acids based on triphenylsilane

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Several derivatives of the propeller-shaped ortho-substituted triphenylsilanes, carrying metal- or silicon-based acceptor groups, are reported. They were synthesized starting from tris(2-bromophenyl)fluorosilane, tris(2-vinylphenyl)fluorosilane and tris(2-ethynylphenyl)fluorosilane to generate a scope of Lewis-acidic molecules with different cavities. An improved synthetic protocol for donor-free tris(2-lithiophenyl)silanes is described. First attempts in host–guest chemistry to probe the binding between a threefold alane-functionalised ortho-substituted triphenylsilane and a tridentate Lewis-basic guest molecule are presented. The synthesis and a first molecular structure determination in the crystalline state of a bismasilatriptycene is reported.

Graphical abstract: Tridentate Lewis-acids based on triphenylsilane

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Article information

11 Nov 2016
06 Jan 2017
First published
06 Jan 2017

Dalton Trans., 2017,46, 1645-1659
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Tridentate Lewis-acids based on triphenylsilane

J. Tomaschautzky, B. Neumann, H. Stammler, A. Mix and N. W. Mitzel, Dalton Trans., 2017, 46, 1645
DOI: 10.1039/C6DT04293G

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