| 9,10-二氰基蒽光敏夺氢反应的研究 |
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| 引用本文： | 曹怡,陈建新,伍千红,张宝文.9,10-二氰基蒽光敏夺氢反应的研究[J].影像科学与光化学,1988,6(1):28-32. |
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| 作者姓名： | 曹怡 陈建新 伍千红 张宝文 |
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| 作者单位： | 中国科学院感光化学研究所, 北京 |
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| 摘 要： | 本文研究了缺电子敏化剂9,10-二氰基蒽(DCA)对苄醇类化合物(二苯甲醇、苯甲醇)及甲苯类化合物(甲苯、对-二甲苯)的光敏化夺氢反应,证明上述两类反应是经由两种不同机制进行的。
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| 关 键 词： | 夺氢反应 9 10-二氰基蒽 苄醇 甲苯 反应机理 |
| 收稿时间： | 1986-12-23 |
STUDY OF 9, 10-DICYANOANTHRACENE PHOTOSENSI-TIZED HYDROGEN ABSTRACTION |
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| CAO YI,CHEN JIN-XIN,WU QIAN-HONG,ZHANG BAO-WEN.STUDY OF 9, 10-DICYANOANTHRACENE PHOTOSENSI-TIZED HYDROGEN ABSTRACTION[J].Imaging Science and Photochemistry,1988,6(1):28-32. |
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| Authors: | CAO YI CHEN JIN-XIN WU QIAN-HONG ZHANG BAO-WEN |
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| Institution: | Institute of Photographic Chemistry Academic Stnica, Beijing |
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| Abstract: | Hydrogenabstraction reactions of benzyl alcohols (benzyl alcohol and cliphenyl methanol) and toluenes (toluene and p-dimethyl benzene) sensitized by electron deficient sensitizer 9,10-dicyanoanthracene (DCA) were studied. Based on the experimental data, it was proved that the above two kinds of reactions occur through two different mechanisms. For henzyl alcohols, the reaction proceeds via excited singlet of DCA(1DCA*) and then abstracts hydrogen atom from substrates to form the corresponding ketones. For toluenes, the reaction undergoes electron trasfer first and DCA anion radical (DCA-) abstracts hydrogen ion from substrates cation to form the corresponding bibenzyl. |
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| Keywords: | hydrogen abstraction reaction 9 10-dicyanoanthracene benzyl alcohols toluenes mechanisms |
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