Abstract
In the X-ray crystal structure of 2,2′-bis((1R,2R,4S)-2-hydroxy-1,3,3-trimethylbicyclo[2.2.1]hept-2-yl)-1,1′-biphenyl (3-R) fenchyl alcohol units induce a R-sense of asymmetry at the biphenyl axis and support intramolecular hydrogen bonds between the hydroxy groups. Computational ONIOM evaluations of 3-R and of its diastereomer with S-biphenyl axis (3-S) reveal a higher stability (>6 kcal/mol) for 3-R and show how suitable alignments of 1,3,3-trimethylbicyclo[2.2.1]heptane units originate the observed R-biphenyl axis.
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