[Substituent effects and conformation of stilbenes]
(1989) Spectrochimica Acta. Part A: Molecular Spectroscopy — Vol. 45A, n° 12, p. 1197-1200 (1989)
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- Abstract
- Simultaneous study of para nitrostilbenes by X-ray diffraction and /sup 13/C nuclear magnetic resonance shows a quantitative relationship between the effect of a para nitro substituent on the chemical shift of ethylenic carbon not adjacent to the substituted phenyl ring and the dihedral angle between this phenyl ring and the central double bond. The alternative introduction of substituents in each phenyl ring discloses at the position of carbon beta a certain pi -polarization which extends to the double bond and to an insaturated group carried by carbon alpha.
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Touillaux, R., Tinant, B., van Meerssche, M., Weiler, J., & Leroy, G. (1989). [Substituent effects and conformation of stilbenes]. Spectrochimica Acta. Part A: Molecular Spectroscopy, 45A(12), 1197-1200. https://hdl.handle.net/2078.5/148862 (Original work published 1989)