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Lewis Acid-Catalyzed Synthesis of Silafluorene Derivatives from Biphenyls and Dihydrosilanes via Double Sila-Friedel-Crafts Reaction

Abstract

The synthesis of silafluorene derivatives from aminobiphenyl compounds and dihydrosilanes via a double sila-Friedel-Crafts reaction using a borane catalyst has been achieved. This method is applicable toward the synthesis of a variety of silafluorene derivatives, such as multisubstituted silafluorenes, spirosilabifluorenes, and silicon-bridged terphenyl compounds, which are not readily obtained using conventional synthetic methods. In addition, we have demonstrated the transformation of the amino groups in these silafluorene derivatives into other substituents.

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Publication details

The article was received on 01 Oct 2019, accepted on 11 Oct 2019 and first published on 12 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC07692A
Chem. Commun., 2019, Accepted Manuscript

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    Lewis Acid-Catalyzed Synthesis of Silafluorene Derivatives from Biphenyls and Dihydrosilanes via Double Sila-Friedel-Crafts Reaction

    Y. Dong, Y. Takata, Y. Yoshigoe, K. Sekine and Y. Kuninobu, Chem. Commun., 2019, Accepted Manuscript , DOI: 10.1039/C9CC07692A

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