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| 苯甲酰基修饰环糊精衍生物的圆二色性与分子构象 | |
| 引用本文： | 张燕玲,高兴明,童林荟,马学毅. 苯甲酰基修饰环糊精衍生物的圆二色性与分子构象[J]. 物理化学学报, 1999, 15(9): 856-859. DOI: 10.3866/PKU.WHXB19990916 |
| 作者姓名： | 张燕玲 高兴明 童林荟 马学毅 |
| 作者单位： | Department of Chemistry,Lanzhou University,Lanzhou 730000,Department of Chemistry,Peking University,Beijing 100871,Lanzhou Institute of Chenical Physics,Chinese Academy of Science,Lanzhou 730000 |
| 基金项目： | 国家自然科学基金资助项目 |
| 摘 要： | 环糊精(简称ＣＤ)分子的独特结构特点和性能使其成为超分子化学中重要的主体模型之一[1,2].ＣＤ及其衍生物在分子识别,模拟酶等领域的研究和应用受到广泛重视[3].光活性组分的超分子体系可通过光诱导能量传递进行选择性光化学反应[4].我们与日本Ｉｎｏｕｅ等以单(6ｏ苯甲酰基)βＣＤ为光增感剂,研究了顺式环辛烯的光异构化反应[5],但对于反应过程中ＣＤ衍生物构象有何变化,反应发生在ＣＤ空腔内还是空腔外等反应机理尚不清楚.为了研究环辛烯光异构化反应机理并提供新的光增感剂,我们合成并报导了一系列含发色团的ＣＤ衍生物[6,7].通过研究客… |
| 关 键 词： | 苯甲酰基环糊精 圆二色性 主体构象 超分子化学 |
| 收稿时间： | 1998-11-03 |
| 修稿时间： | 1999-03-09 |
Circular Dichroism and Molecular Conformation of Cyclodextrins Bearing Benzoyl Moiety |
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| Zhang Yanling Gao Xingming Tong Linhui Ma Xueyi. Circular Dichroism and Molecular Conformation of Cyclodextrins Bearing Benzoyl Moiety[J]. Acta Physico-Chimica Sinica, 1999, 15(9): 856-859. DOI: 10.3866/PKU.WHXB19990916 | |
| Authors: | Zhang Yanling Gao Xingming Tong Linhui Ma Xueyi |
| Affiliation: | Department of Chemistry,Lanzhou University,Lanzhou 730000|Department of Chemistry,Peking University,Beijing 100871|Lanzhou Institute of Chenical Physics,Chinese Academy of Science,Lanzhou 730000 |
| Abstract: | The molecular conformation of cyclodextrins (β-CD, γ-CD) bearing benzoyl moiety was studied by circular dichroism and 1H NMR. The circular dichroism intensity of mono[6 (benzoyl-ethylendiamino)]-β-CD (1) was reduced by adding of guests. In contrast, the circular dichroism intensity of mono(6-o-benzoyl)-γ-CD (2) was increased by adding of guests. The benzoyl moiety of 1 was extruded outside from the cavity of β-CD by guests, while the benzoyl moiety of 2 was included together with guests in the cavity of γ-CD. |
| Keywords: | Benzoated cyclodextrins Circular dichroism Host conformation Supramolecular chemistry |
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