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Trifunctional organometallic frameworks and cages based on all-cis-1,3,5-triethynyl-1,3,5-trisilacyclohexanes

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Abstract

All-cis-1,3,5-triethynyl-1,3,5-triorganyl-1,3,5-trisilacyclohexanes (organyl R = Me, Ph) offer flexible scaffolds with three concordantly oriented ethynyl groups. Lithiation with n-BuLi affords the dimeric {[CH2Si(R)(C2Li)]3(THF)3}2 with a drum-like structure in high yields. They can be transformed into other trinuclear organometallic derivatives like the trimercury cage species [CH2Si(R)C2HgC2(R)SiCH2]3.

Graphical abstract: Trifunctional organometallic frameworks and cages based on all-cis-1,3,5-triethynyl-1,3,5-trisilacyclohexanes

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Publication details

The article was received on 25 Mar 2019, accepted on 02 Apr 2019 and first published on 03 Apr 2019


Article type: Communication
DOI: 10.1039/C9CC02315A
Citation: Chem. Commun., 2019, Advance Article

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    Trifunctional organometallic frameworks and cages based on all-cis-1,3,5-triethynyl-1,3,5-trisilacyclohexanes

    E. Weisheim, S. Weigel, B. Neumann, H. Stammler and N. W. Mitzel, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC02315A

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