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Flüssigkeits-Chromatographie an Triacetylcellulose 14: Separation of Enantiomers and Barriers to Enantiomerization of Axially Chiral Aromatic Carboxamides

Cuyegkeng, Maria Assunta and Mannschreck, Albrecht (1987) Flüssigkeits-Chromatographie an Triacetylcellulose 14: Separation of Enantiomers and Barriers to Enantiomerization of Axially Chiral Aromatic Carboxamides. Chemische Berichte 120 (5), pp. 803-809.

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Abstract

The enantiomers (M) and (P) of a series of similar aromatic carboxamides have been, for the first time, investigated analytically and enriched preparatively by liquid chromatography on triacetylcellulose. Enantiomeric purities (7–99%), specific rotations, and barriers to rotation about the C(sp–C(sp bond (87–120 kJ/mol, Table 5) were determined. These energies are discussed in terms of the size of ortho substituents and of the buttressing effects by meta substituents.


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Item type:Article
Date:1987
Additional Information (public):späterer Zeitschr.titel: European journal of inorganic chemistry
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Alumni or Retired Professors > Prof.Dr. Mannschreck
Identification Number:
ValueType
10.1002/cber.19871200519DOI
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:17991
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