Synthesis and Structure of syn,anti,syn-Pentacyclic Ladder Oligomethylsilsesquioxane

Novel pentacyclic ladder oligomethylsilsesquioxane was synthesized using cis,trans,cis-[MeSi(NCO)O]4 as a building block. This compound was isolated in 13% yield by reprecipitation from the reaction mixture. X-ray crystallography revealed that pentacyclic rings assume a syn,anti,syn-configuration, r...

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Bibliographic Details
Published in:Chemistry letters 2011-07, Vol.40 (7), p.722-723
Main Authors: Seki, Hiroyasu, Abe, Noritaka, Abe, Yoshimoto, Gunji, Takahiro
Format: Article
Language:English
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Summary:Novel pentacyclic ladder oligomethylsilsesquioxane was synthesized using cis,trans,cis-[MeSi(NCO)O]4 as a building block. This compound was isolated in 13% yield by reprecipitation from the reaction mixture. X-ray crystallography revealed that pentacyclic rings assume a syn,anti,syn-configuration, resulting in the tube-like structure.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2011.722