Ring distortion effect on δ13C values of bicyclo [4. n. 0] alkanes
P Metzger, C Cabestaing, E Casadevall…
Index: Metzger, P.; Cabestaing, C.; Casadevall, E.; Casadevall, A. Organic Magnetic Resonance, 1982 , vol. 19, # 3 p. 144 - 147
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Citation Number: 13
Abstract
Abstract The 13 C NMR spectra of trans-and cis-fused bicyclo [4. n. 0] alkanes, where n= 4, 3 and 2, were determined. The distortion of the six membered ring, which is due to the strain arising from the 1, 2 fusion of cyclohexane with a smaller ring, is apparent mainly for the chemical shifts of the ring junction carbons. Both for the trans-and for the cis-fused hydrocarbons the results support a cyclohexane in a chair conformation, distorted to a ...
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