Preparation and structures of 1,2-dihydro-1,2-diphosphaacenaphthylenes and rigid backbone stabilized triphosphenium cation

被引：56
作者：
School of Chemistry, University of St. Andrews, St. Andrews, Fife, United Kingdom [1 ]
机构：
[1] School of Chemistry, University of St. Andrews, St. Andrews, Fife
来源：
Dalton Trans. | 2006年 / 18卷 / 2175-2183期
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D O I：
10.1039/b517071k
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学科分类号：
摘要：
The effect of the special peri-geometry of rigid naphthalene-1,8-diyl backbone in phosphenium formation reaction was investigated. 1,8-Bis(diphenylphosphino) naphthalene and P2I4 afforded triphosphenium iodide in a clean reaction. The reaction of 1,8- bis(dimethylaminophosphino) naphthalene with P2I4 is complex, it afforded four products, all containing the 1,2-dihydro-1,2- diphosphaacenaphthylene motif and heterophosphonium functionalities. Two examples of the rare structural motif of two acenaphthylene units connected head to head and thus a contiguous chain of four phosphorus atoms were also isolated, one compound showing diastereomerization in the solution. All new compounds were fully characterised including single crystal X-ray diffraction. © The Royal Society of Chemistry 2006.
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页码：2175 / 2183
页数：8
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