Synthesis of Kinetically Stabilized 1,2-Dihydrodisilenes

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• 作者：Tomohiro Agou ; Yusuke Sugiyama ; Takahiro Sasamori ; Heisuke Sakai ; Yukio Furukawa ; Nozomi Takagi ; Jing-Dong Guo ; Shigeru Nagase ; Daisuke Hashizume ; Norihiro Tokitoh
• 刊名：The Journal of the American Chemical Society
• 出版年：2012
• 出版时间：March 7, 2012
• 年：2012
• 卷：134
• 期：9
• 页码：4120-4123
• 全文大小：227K
• 年卷期：v.134,no.9(March 7, 2012)
• ISSN：1520-5126

文摘

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鈺怱i double-bond character in both solution and the solid state. The Si鈥揌 bonds in these 1,2-dihydrodisilenes exhibit higher s character than those of typical 蟽⁴,位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.