Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 47, Pages 16768-16770Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja1091744
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Funding
- Ministry of Education, Science, Sports, and Culture of Japan [19105001, 21350023, 21108502]
- Grants-in-Aid for Scientific Research [21108502, 19105001, 21350023] Funding Source: KAKEN
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The unsymmetrically substituted disilyne, Dsi(2)(i)PrSi-Si Si-SiNpDsi(2) (Np = (CH2Bu)-Bu-t) 2, was synthesized and characterized by X-ray crystallography to show a trans-bent structure with a silicon-silicon triple bond length of 2.0569(12) angstrom. The Si-29 chemical shifts of the triply bonded silicon atoms of 2 are quite different, being observed at 62.6 ppm for the Dsi(2)(i)PrSi side and 106.3 ppm for the Dsi(2)NpSi side, indicating different hybridizations on the triply bonded silicon atoms at each site.
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