Methyl proton resonance in nuclear magnetic resonance spectra of 2,2′- and 8,8′-dimethyl-1,1′-binaphthyls. The optical stability of (+)-2,2′-dimethyl-1,1′-binaphthyl
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society B: Physical Organic
- p. 775-778
- https://doi.org/10.1039/j29710000775
Abstract
(+)-2,2′-Dimethyl-1,1′-binaphthyl has resisted racemisation in solution. This contrasts with 8,8′-dimethyl-1,1′-binaphthyl which is optically labile. Methyl proton signals in the n.m.r. spectra of these compounds can be used to throw light on their conformations in the ground state.Keywords
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