Abstract
The crystal structures of (S,S)-o-(α-dimethylaminoethyl)phenyl]phenyl-2,4-dimethylphenyl-carbinol (I) and (S,S)-o-(α-dimethylaminoethyl)phenyl]phenyl-2,4,5-trimethylphenylcarbinol (II) are determined by X-ray diffraction. The molecular and crystal structures of I and II are similar. The crystal structures of I and II are compared based on the analysis of the geometric characteristics of the Vorono\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \)2-Dirichlet packing polyhedra. The circular dichroism spectra of amino alcohols I and II revealed a strong positive Cotton effect in the region of 230 nm, which correlates with the S-configuration of the chiral carbinol center.
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