最新的研究发现2-氰基萘(CN)能够发生光二聚反应生成3种类立方烷结构的二聚体,anti-head-to-head 1、anti-head-to-tail 2和syn-head-to-tail 3.本文研究了水溶液中γ-环糊精对2-氰基萘的光二聚反应区域选择性的影响.结果表明,γ-环糊精(γ-CD)能够显著影响2-氰基萘的光二聚反应,在提高反应速率的同时,得到较好的区域选择性,室温下光照CN@γ-CD包结物水溶液,主要得到头-头产物1.
参考文献
[1] | Connors K A .The stability of cyclodextrin complexes in solution[J].Chemical Reviews,1997,97:1325-1357. |
[2] | Allan R.Hedges .Industrial Applications of Cyclodextrins[J].Chemical Reviews,1998(5):2035-2044. |
[3] | Ronald Breslow;Steven D.Dong .Biomimetic Reactions Catalyzed by Cyclodextrins and Their Derivatives[J].Chemical Reviews,1998(5):1997-2011. |
[4] | 戴赵华,吴世康.β-环糊精对香豆素衍生物包结行为的研究[J].感光科学与光化学,2000(01):67-72. |
[5] | Tamaki T.Reversible Photodimerization of water-soluble anthracenes induded in γ-cyclodextrin[J].Chemistry Letters,1984:53-56. |
[6] | Tamaki T;Kokubu T;Ichimura K .Regio-and stereoselective photodimerization of anthracene derivatives included by cyclodextxins[J].Tetrahedron,1987,43:1485-1494. |
[7] | Tamagaki S;Fukuda K;Maeda H .Complexation and photodimerization of anthracene-2-sulfonate in the presence of per-6-aminocyclodextrins[J].Journal of the Chemical Society,Perkin Transactions,1995,2:389-390. |
[8] | Mcorthy J N;Venkatesan K;Weies R G .Photodimerization of coumarins in solid cyclodextrin inclusion complexes[J].Journal of Organic Chemistry,1992,57:3292-3297. |
[9] | Brett T J;Alexander J M;Stezowski J J .Chemical insight from crystallographic disorder-structural studies of supramolecular photochemical systems Part 21.The β-cyclodextrin-4,7-dimethylcoumarin inclusion complex:a new β-cyclodextrin dimer packing type,unanticipated photoproduct formation,and an examination of guest influence on β-CD dimer packing[J].Journal of the Chemical Society,Perkin Transactions,2000,2:1095-1104. |
[10] | Brett T J;Alexander J M;Stezowski J J .Chemical insight from crystallographic disorder-structural studies of supramolecular photochemical systems Part 31.The β-cyclodextrin-7-bydroxy-4-methyl coumarin inclusion complex:direct observation of photodimerization by X-ray crystallography[J].Journal of the Chemical Society,Perkin Transactions,2000,2:1105-1114. |
[11] | Herrmann W;Wehrle S;Wenz G.Supramolecular control of the photochemistry of stilbenes by cyclodextrins[J].Chemical Communications,1997:1709-1711. |
[12] | Rao K S S P;Hubig S M;Moorthy J N;Kochi J K .Stereoselective photodimerization of (E)-stilbenes in crystalline γ-cyclcdextrin inclusion complexes[J].Journal of Organic Chemistry,1999,64:8098-8104. |
[13] | Nakamura A.;Inoue Y. .Supramolecular catalysis of the enantiodifferentiating [4+4] photocyclodimerization of 2-anthracenecarboxylate by gamma-cyclodextrin[J].Journal of the American Chemical Society,2003(4):966-972. |
[14] | 廖桂红 .2-氰基萘的光二聚反应[D].北京:中国科学院理化技术研究所,2008. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%