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| The stable planar conformation of the γ-butyrolactone ring in solution | |
| 引用本文： | Zhi Qiang Feng,Cheng Lie Yin. The stable planar conformation of the γ-butyrolactone ring in solution[J]. 中国化学快报, 2010, 21(2): 187-190. DOI: 10.1016/j.cclet.2009.10.023 |
| 作者姓名： | Zhi Qiang Feng Cheng Lie Yin |
| 作者单位： | a Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, China;b Department of Chemistry, Beijing Normal University, Beijing 100875, China |
| 摘 要： | <正>The conformations ofγ-butyrolactone ring in solution were deduced on the basis of ~1H NMR spectra of geminal protons of the butyrolactone ring.A series of optically pure(Z)-(-)-4-(1'-alkoxyl-1'-carbalkoxy-methylene)-5(R)[(1R)-menthyloxy]-γ-butyr-olactones with a stable planar conformation of γ-butyrolactone ring were found. |
| 关 键 词： | β-Methylene-γ-butyrolactone Planar conformation Envelope conformation |
| 收稿时间： | 2009-07-08 |
The stable planar conformation of the γ-butyrolactone ring in solution |
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| Zhi Qiang Feng,Cheng Lie Yin. The stable planar conformation of the γ-butyrolactone ring in solution[J]. Chinese Chemical Letters, 2010, 21(2): 187-190. DOI: 10.1016/j.cclet.2009.10.023 | |
| Authors: | Zhi Qiang Feng Cheng Lie Yin |
| Affiliation: | a Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, China;b Department of Chemistry, Beijing Normal University, Beijing 100875, China |
| Abstract: | The conformations of γ-butyrolactone ring in solution were deduced on the basis of 1H NMR spectra of geminal protons of the butyrolactone ring. A series of optically pure (Z)-(-)-4-(1'-alkoxyl-1'-carbalkoxy- methylene)-5(R)[(1R)-menthyloxy]-γ-butyrolactones with a stable planar conformation of γ-butyrolactone ring were found. |
| Keywords: | Planar conformation Envelope conformation |
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