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Long-range 4J coupling constants and conformation of the four-membered heterocycles |
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| Authors: | A A Fomichov I A Zon I M Gella R G Kostyanovsky A N Saprin V I Markov |
| Abstract: | The correlation between the puckering angle of the four-membered cycle and 4J has been obtained from analysis of the PMR spectra of some 2-substituted azetidines and oxetanes. The absolute values of 4Jcis and 4Jtrans were found to decrease with decreasing of the puckering angle. |
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