The singlet excited state of a stable dialkylsilylene is responsible for its photoreactions

Mitsuo Kira; Shintaro Ishida; Takeaki Iwamoto; Armin De Meijere; Mamoru Fujitsuka; Osamu Ito

doi:10.1002/anie.200460317

The singlet excited state of a stable dialkylsilylene is responsible for its photoreactions

Mitsuo Kira, Shintaro Ishida, Takeaki Iwamoto, Armin De Meijere, Mamoru Fujitsuka, Osamu Ito

理学研究科・化学専攻

研究成果: Article › 査読

32 被引用数 (Scopus)

抄録

The singlet 1,1-diradical (¹B₁) state of a silylene plays a key role in its photoreactions with benzenes and alkenes, even though similar ¹B₁ states are rarely encountered in carbene chemistry. The photochemical addition to alkenes should be stepwise and the ring closure of the intermediate singlet 1,3-diradicals was very facile with rates (k_c) of more than 10⁹ s^-1 (see scheme).

本文言語	English
ページ（範囲）	4510-4512
ページ数	3
ジャーナル	Angewandte Chemie - International Edition
巻	43
号	34
DOI	https://doi.org/10.1002/anie.200460317
出版ステータス	Published - 2004 8月 27

ASJC Scopus subject areas

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化学 (全般)

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10.1002/anie.200460317

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abstract = "The singlet 1,1-diradical (1B1) state of a silylene plays a key role in its photoreactions with benzenes and alkenes, even though similar 1B1 states are rarely encountered in carbene chemistry. The photochemical addition to alkenes should be stepwise and the ring closure of the intermediate singlet 1,3-diradicals was very facile with rates (kc) of more than 109 s-1 (see scheme).",

keywords = "Carbene homologues, Laser spectroscopy, Photochemistry, Reaction mechanisms, Silicon",

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AU - De Meijere, Armin

AU - Fujitsuka, Mamoru

AU - Ito, Osamu

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AB - The singlet 1,1-diradical (1B1) state of a silylene plays a key role in its photoreactions with benzenes and alkenes, even though similar 1B1 states are rarely encountered in carbene chemistry. The photochemical addition to alkenes should be stepwise and the ring closure of the intermediate singlet 1,3-diradicals was very facile with rates (kc) of more than 109 s-1 (see scheme).

KW - Carbene homologues

KW - Laser spectroscopy

KW - Photochemistry

KW - Reaction mechanisms

KW - Silicon

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The singlet excited state of a stable dialkylsilylene is responsible for its photoreactions

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