Cyclodimethylsiloxane (Me2SiO)m (m = 3–6) Ring Transformations on Reactions with AgSbF6; Crystal Structure of Ag(Me2SiO)7SbF6

Cyclodimethylsiloxane (Me2SiO)m (m = 3–6) Ring Transformations on Reactions with AgSbF6; Crystal Structure of Ag(Me2SiO)7SbF6
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环二甲基硅氧烷 (Me2SiO)m (m = 3–6) 与 AgSbF6 反应的环转变;Ag(Me2SiO)7SbF6 的晶体结构;

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发表时间:
2006
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影响因子:
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通讯作者:
Xinping Wang
Xinping Wang
中科院分区:
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文献类型:
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作者:
A. Decken;Francis A. LeBlanc;J. Passmore;Xinping Wang

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Dm (D = Me2SiO, m = 3–6) 与六氟锑酸银在液体 SO2 中反应,得到 AgDnSbF6 (n = 6–8) 络合物的混合物。添加 CH3CN 后,会发生 Ag+ 定向的环转化,从而可以分离纯 Dn (n = 6–8)。 AgDn+ 阳离子是硅醚路易斯酸供体络合物和 Ag+ 氧供体络合物的罕见例子,它们的分离意味着可以从容易获得的起始材料制备许多金属阳离子环硅氧烷。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, 德国, 2006)
The reaction of Dm (D = Me2SiO, m = 3–6) with silver hexafluoroantimonate in liquid SO2 affords a mixture of AgDnSbF6 (n = 6–8) complexes. Upon the addition of CH3CN, Ag+-directed ring transformations are effected, which allows for the isolation of neat Dn (n = 6–8). The AgDn+ cations are rare examples of Lewis acid donor complexes of silicon ethers and Ag+ oxygen donor complexes, and their isolation implies that numerous metal cation cyclosiloxanes can be prepared from readily available starting materials.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)