引用本文:
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
Citation: 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
Citation: 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
The stable planar conformation of the γ-butyrolactone ring in solution
摘要:
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-butyr-olactones with a stable planar conformation of γ-butyrolactone ring were found.
English
The stable planar conformation of the γ-butyrolactone ring in solution
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-butyr-olactones with a stable planar conformation of γ-butyrolactone ring were found.
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Key words:
- β-Methylene-γ-butyrolactone
- / Planar conformation
- / Envelope conformation
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