| Investigation on photochromism of 1,2-bis(1,4-dimethyl-2-phenyl)perfluorocyclopentene |
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| 作者姓名： | LIU Xuedong TONG Qingxiao SHI Ming & ZHANG Fushi Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education |
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| 作者单位： | LIU Xuedong，TONG Qingxiao，SHI Ming & ZHANG Fushi Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education，Department of Chemistry，Tsinghua University，Beijing 100084，China |
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| 摘 要： | The photochromic diarylethene, 1,2-bis(1,4-dimethyl-2-phenyl)perfluorocyclopentene has been synthesized and its single crystal can be obtained in hexane at -4℃. The structure of diphenylperluorocyclopentene bearing C2/c space group and monoclinic crystal system is very different from that of dithienylperfluorocyclopentene derivatives bearing Pī space group and triclinic crystal system by X-ray crystallographic analysis. The compound undergoes the phototchromic reaction in solution but no optical activity in single crystal. In addition, its optimum conformation in solvent is also discussed.
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| 收稿时间： | 13 August 2005 |
| 修稿时间： | 21 September 2005 |
Investigation on photochromism of 1,2-bis(1,4-dimethyl-2-phenyl)perfluorocyclopentene |
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| LIU Xuedong,TONG Qingxiao,SHI Ming & ZHANG Fushi Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education,.Investigation on photochromism of 1,2-bis(1,4-dimethyl-2-phenyl)perfluorocyclopentene[J].Science in China(Chemistry),2006,49(6):517-521. |
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| Authors: | LIU Xuedong TONG Qingxiao SHI Ming ZHANG Fushi |
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| Institution: | Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China |
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| Abstract: | The photochromic diarylethene, 1,2-bis(1,4-dimethyl-2-phenyl)perfluorocyclopentene has been synthesized and its single crystal
can be obtained in hexane at −4°C. The structure of diphenylperluorocyclopentene bearing C2/c space group and monoclinic crystal system is very different from that of dithienylperfluorocyclopentene derivatives bearing
Pī space group and triclinic crystal system by X-ray crystallographic analysis. The compound undergoes the phototchromic reaction
in solution but no optical activity in single crystal. In addition, its optimum conformation in solvent is also discussed. |
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| Keywords: | diphenylperfluorocyclopentene photochromic single crystal |
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