Abstract
AbstractThe determination of lipophilicity of the title compounds allowed treatment of the data for chiral separation (capacity factors) on CTA and CTPB according to these parameters. A linear correlation between In k′(+) and log k′w was found on both CTA and CTPB, as far as the substituents are situated in the plane of the aryl ring or the heterocycle. This correlation with a nonchiral descriptor allows treatment of capacity factors for (−)‐enantiomers as deviations from the lipophilicity line or derived parallels. It results in a clear description of the molecular area affecting enantioselectivity. Application to larger alkyl derivatives shows that the effect of the substituent should be treated on a basis of attractive effect in the case of CTA and on the basis of attractive and repulsive effects for CTPB. © 1994 Wiley‐Liss, Inc.
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