Molecular and crystal structures of (S,S)-[o-(alpha-dimethylaminoethyl)phenyl] phenylarylcarbinolsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The crystal structures of (S,S)-o-(alpha-dimethylaminoethyl)phenyl]phenyl-2,4-dimethylphenylcarbinol (I) and (S,S)-o-(alpha-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 Voronoi-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. (C) 2000 MAIK "Nauka/Interperiodica".