Synthesis of kinetically stabilized 1,2-dihydrodisilenes

Tomohiro Agou; Yusuke Sugiyama; Takahiro Sasamori; Heisuke Sakai; Yukio Furukawa; Nozomi Takagi; Jing Dong Guo; Shigeru Nagase; Daisuke Hashizume; Norihiro Tokitoh

doi:10.1021/ja300694p

Synthesis of kinetically stabilized 1,2-dihydrodisilenes

Tomohiro Agou, Yusuke Sugiyama, Takahiro Sasamori^*, Heisuke Sakai, Yukio Furukawa, Nozomi Takagi, Jing Dong Guo, Shigeru Nagase, Daisuke Hashizume, Norihiro Tokitoh

^*Corresponding author for this work

School of Advanced Science and Engineering

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

46 Citations (Scopus)

Abstract

Kinetically stabilized 1,2-dihydrodisilenes were successfully synthesized and isolated by the introduction of sterically protecting bulky aryl groups. These 1,2-dihydrodisilenes exhibit distinct Si=Si double-bond character in both solution and the solid state. The Si-H bonds in these 1,2-dihydrodisilenes exhibit higher s character than those of typical σ ⁴, λ ⁴-hydrosilanes. Moderate heating of these 1,2-dihydrodisilenes in solution resulted in their isomerization to the corresponding trihydrodisilanes, with an intramolecular hydrogen migration as the rate-determining step.

Original language	English
Pages (from-to)	4120-4123
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	134
Issue number	9
DOIs	https://doi.org/10.1021/ja300694p
Publication status	Published - 2012 Mar 7

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja300694p

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abstract = "Kinetically stabilized 1,2-dihydrodisilenes were successfully synthesized and isolated by the introduction of sterically protecting bulky aryl groups. These 1,2-dihydrodisilenes exhibit distinct Si=Si double-bond character in both solution and the solid state. The Si-H bonds in these 1,2-dihydrodisilenes exhibit higher s character than those of typical σ 4, λ 4-hydrosilanes. Moderate heating of these 1,2-dihydrodisilenes in solution resulted in their isomerization to the corresponding trihydrodisilanes, with an intramolecular hydrogen migration as the rate-determining step.",

author = "Tomohiro Agou and Yusuke Sugiyama and Takahiro Sasamori and Heisuke Sakai and Yukio Furukawa and Nozomi Takagi and Guo, {Jing Dong} and Shigeru Nagase and Daisuke Hashizume and Norihiro Tokitoh",

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T1 - Synthesis of kinetically stabilized 1,2-dihydrodisilenes

AU - Agou, Tomohiro

AU - Sugiyama, Yusuke

AU - Sasamori, Takahiro

AU - Sakai, Heisuke

AU - Furukawa, Yukio

AU - Takagi, Nozomi

AU - Guo, Jing Dong

AU - Nagase, Shigeru

AU - Hashizume, Daisuke

AU - Tokitoh, Norihiro

PY - 2012/3/7

Y1 - 2012/3/7

N2 - Kinetically stabilized 1,2-dihydrodisilenes were successfully synthesized and isolated by the introduction of sterically protecting bulky aryl groups. These 1,2-dihydrodisilenes exhibit distinct Si=Si double-bond character in both solution and the solid state. The Si-H bonds in these 1,2-dihydrodisilenes exhibit higher s character than those of typical σ 4, λ 4-hydrosilanes. Moderate heating of these 1,2-dihydrodisilenes in solution resulted in their isomerization to the corresponding trihydrodisilanes, with an intramolecular hydrogen migration as the rate-determining step.

AB - Kinetically stabilized 1,2-dihydrodisilenes were successfully synthesized and isolated by the introduction of sterically protecting bulky aryl groups. These 1,2-dihydrodisilenes exhibit distinct Si=Si double-bond character in both solution and the solid state. The Si-H bonds in these 1,2-dihydrodisilenes exhibit higher s character than those of typical σ 4, λ 4-hydrosilanes. Moderate heating of these 1,2-dihydrodisilenes in solution resulted in their isomerization to the corresponding trihydrodisilanes, with an intramolecular hydrogen migration as the rate-determining step.

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Synthesis of kinetically stabilized 1,2-dihydrodisilenes

Abstract

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