Persilastaffanes: Design, synthesis, structure, and conjugation between silicon cages

Takeaki Iwamoto; Daisuke Tsushima; Eunsang Kwon; Shintaro Ishida; Hiroyuki Isobe

doi:10.1002/anie.201106422

Persilastaffanes: Design, synthesis, structure, and conjugation between silicon cages

Takeaki Iwamoto, Daisuke Tsushima, Eunsang Kwon, Shintaro Ishida, Hiroyuki Isobe

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

By stepwise catenation of bicyclo[1.1.1]pentasilane units persila[n]staffanes (n=1, 2, and 3) were synthesized as air-stable colorless crystals. A remarkable red-shift of the UV/Vis absorption bands with increasing number of bicyclo[1.1.1]pentasilane units suggests remarkable interactions between bridgehead Si-Si σ orbitals and between cage Si-Si σ orbitals (see picture).

Original language	English
Pages (from-to)	2340-2344
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	51
Issue number	10
DOIs	https://doi.org/10.1002/anie.201106422
Publication status	Published - 2012 Mar 5

Keywords

conjugation
oligomerization
silanes
staffanes

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1002/anie.201106422

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abstract = "By stepwise catenation of bicyclo[1.1.1]pentasilane units persila[n]staffanes (n=1, 2, and 3) were synthesized as air-stable colorless crystals. A remarkable red-shift of the UV/Vis absorption bands with increasing number of bicyclo[1.1.1]pentasilane units suggests remarkable interactions between bridgehead Si-Si σ orbitals and between cage Si-Si σ orbitals (see picture).",

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AU - Iwamoto, Takeaki

AU - Tsushima, Daisuke

AU - Kwon, Eunsang

AU - Ishida, Shintaro

AU - Isobe, Hiroyuki

PY - 2012/3/5

Y1 - 2012/3/5

N2 - By stepwise catenation of bicyclo[1.1.1]pentasilane units persila[n]staffanes (n=1, 2, and 3) were synthesized as air-stable colorless crystals. A remarkable red-shift of the UV/Vis absorption bands with increasing number of bicyclo[1.1.1]pentasilane units suggests remarkable interactions between bridgehead Si-Si σ orbitals and between cage Si-Si σ orbitals (see picture).

AB - By stepwise catenation of bicyclo[1.1.1]pentasilane units persila[n]staffanes (n=1, 2, and 3) were synthesized as air-stable colorless crystals. A remarkable red-shift of the UV/Vis absorption bands with increasing number of bicyclo[1.1.1]pentasilane units suggests remarkable interactions between bridgehead Si-Si σ orbitals and between cage Si-Si σ orbitals (see picture).

KW - conjugation

KW - oligomerization

KW - silanes

KW - staffanes

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Persilastaffanes: Design, synthesis, structure, and conjugation between silicon cages

Abstract

Keywords

ASJC Scopus subject areas

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