Facile synthesis of tribenzosilepins from terphenyls and dihydrosilanes by electrophilic double silylation

Tribenzosilepins were synthesized from terphenyls and dihydrosilanes via a facile approach using a double sila-Friedel-Crafts reaction. Several silepin derivatives were obtained in moderate to high yield. The reaction system was found to be suitable for synthesizing a bidirectional silepin. Furtherm...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 57; no. 57; pp. 77 - 71
Main Authors Dong, Yafang, Sekine, Kohei, Kuninobu, Yoichiro
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 21.07.2021
Royal Society of Chemistry
Subjects
Chemistry
Chemistry, Multidisciplinary
Crystallography
Friedel-Crafts reaction
Physical Sciences
Science & Technology
Terphenyls
6-MEMBERED SILACYCLES
CLEAVAGE
SUBSTITUTION
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Summary:Tribenzosilepins were synthesized from terphenyls and dihydrosilanes via a facile approach using a double sila-Friedel-Crafts reaction. Several silepin derivatives were obtained in moderate to high yield. The reaction system was found to be suitable for synthesizing a bidirectional silepin. Furthermore, the transformation of the amino groups of tribenzosilepin derivatives to aryl groups and the extension of the backbone π-system in tribenzosilepin were demonstrated. Tribenzosilepins were synthesized from terphenyls and dihydrosilanes via a facile approach using a double sila-Friedel-Crafts reaction.
Bibliography:Electronic supplementary information (ESI) available. CCDC
For ESI and crystallographic data in CIF or other electronic format see DOI
5
and
10.1039/d1cc02326h
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9
2081117
2081118
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2081119
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ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc02326h