NDLI: Unusual cis and trans architecture of dihydrofunctional double-decker shaped silsesquioxane and synthesis of its ethyl bridged π-conjugated arene derivatives

Content Provider	Royal Society of Chemistry (RSC)
Author	Januszewski, R. Marciniec, B. Majchrzak, M. Dudziec, B. Walczak, M. Kubicki, M.
Copyright Year	2017
Abstract	Double-decker silsesquioxanes have gained a high reputation in many branches of chemistry and process development. In particular, catalytic processes that convert double-decker silsesquioxanes into important functional classes of fine chemicals are a central topic of contemporary organosilicon chemistry. Although the 9,19-di(hydro)octaphenyl double-decker silsesquioxane (DDSQ-2SiH) is known, we report its cis and trans structure and X-ray structure for the first time. The combination of DDSQ-2SiH in a known hydrosilylation reaction protocol with precise reaction time control (FT-IR in situ apparatus) allowed us to selectively assemble a series of previously unreported molecular double-decker silsesquioxanes with ethyl bridged π-conjugated arenes. These compounds were used as a molecular model to obtain their respective macromolecular hybrid analogues. The obtained compounds were characterized spectroscopically and their thermal parameters were also verified.
Starting Page	3290
Ending Page	3296
Page Count	7
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	41
Issue Number	9
Journal	New Journal of Chemistry
DOI	10.1039/c7nj00255f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	X-ray crystallography Organic chemistry Time control Organosilicon Molecular dynamics Hydrosilylation Fourier-transform infrared spectroscopy
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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