Unique Effects of 2,3,5,6,7,8-Hexasilabicyclo[2.2.2]octan-1-yl Moiety on Photophysical Properties of π-Conjugated System

Unique Effects of 2,3,5,6,7,8-Hexasilabicyclo[2.2.2]octan-1-yl Moiety on Photophysical Properties of π-Conjugated System

We prepared 2,3,5,6,7,8-hexasilabicyclo[2.2.2]octan-1-yl-substituted biphenyl, terphenyl, and tolan, and observed that introduction of the polysilacage group into arenes induced bathochromic shifts of absorption maxima and enhancement of molecular extinction coefficients, compared with the parent π-...

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Veröffentlicht in:Chemistry letters 2007-03, Vol.36 (3), p.412-413
Hauptverfasser: Shimizu, Masaki, Kawaguchi, Tomoaki, Oda, Katsunari, Hiyama, Tamejiro
Format: Artikel
Sprache:eng
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Zusammenfassung:We prepared 2,3,5,6,7,8-hexasilabicyclo[2.2.2]octan-1-yl-substituted biphenyl, terphenyl, and tolan, and observed that introduction of the polysilacage group into arenes induced bathochromic shifts of absorption maxima and enhancement of molecular extinction coefficients, compared with the parent π-conjugated arenes, in addition to increase in fluorescence quantum yields.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2007.412