| 酸性条件下多苯基取代环戊二烯的氧化扩环反应 |
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| 引用本文： | 贡卫涛,李新成,宁桂玲,林源.酸性条件下多苯基取代环戊二烯的氧化扩环反应[J].有机化学,2004,24(11):1475-1477. |
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| 作者姓名： | 贡卫涛 李新成 宁桂玲 林源 |
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| 作者单位： | 大连理工大学化工学院,大连,116012 |
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| 摘 要： | 报道了空气(或氧气)存在的条件下,由高氯酸引发多苯基取代环戊二烯发生新颖的碳-碳键断裂扩环反应,在此反应中,氧原子插入到环戊二烯环中形成相应的六元环吡喃盐类化合物.分别用红外光谱、核磁共振氢谱、碳谱、质谱以及元素分析对所得化合物进行了表征.
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| 关 键 词： | 多苯基取代环戊二烯 碳-碳键断裂 扩环反应 吡喃盐 |
| 修稿时间： | 2004年2月27日 |
Ring-Enlargement Oxidation of Polyphenyl Substituted Cyclopentadiene Promoted by Perchloric Acid |
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| GONG,Wei-Tao LI,Xin-Cheng NING,Gui-Ling LIN,Yuan.Ring-Enlargement Oxidation of Polyphenyl Substituted Cyclopentadiene Promoted by Perchloric Acid[J].Chinese Journal of Organic Chemistry,2004,24(11):1475-1477. |
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| Authors: | GONG Wei-Tao LI Xin-Cheng NING Gui-Ling LIN Yuan |
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| Abstract: | A novel ring-enlargement oxidation of polyphenyl substituted cyclopentadienes in air (or molecular oxygen) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene-ring, forming a six-membered pyrylium salts. The structure of the resulting pyrylium salts was confirmed by FT/IR, 1H NMR, 13C NMR, MS spectroscopies and elemental analyses. |
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| Keywords: | polyphenyl substituted cyclopentadiene cleavage of carbon-carbon bond ring-enlargement reaction pyrylium salt |
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