Unequal aromatic resonance contributions detected by nuclear overhauser effect difference spectroscopy of aromatic methyl ethers
- 1 January 1982
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 23,p. 1329-1331
- https://doi.org/10.1039/c39820001329
Abstract
Nuclear Overhauser effect difference spectra of aryl methyl ethers reveal a striking conformational preference for the methoxy-groups s-cis to the ortho-position with the highest double bond character; this conformational preference correlates with the positional reactivity of the aromatic ring and its interpreted as arising from dissimilar resonance contributions.Keywords
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