Wittek, M., Vögtle, F., Stühler, G., Mannschreck, Albrecht, Lang, Barbara Margarete and Irngartinger, H. (1983) Enantiomerentrennung, Circulardichroismus, Racemisierung und Röntgenstrukturanalyse des Benzo[2.2]metacyclophans. Chemische Berichte 116 (1), pp. 207-214.
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Abstract
The title compound 1 was separated into the enantiomers by chromatography on cellulose triacetate: (–)-1 exhibits an enantiomeric purity of 100% with [α]36520 = −3210 ± 135 (acetone). A racemization barrier ΔG≠ = 125 kJ/mol is found by means of a kinetic study. The helicity of the molecule is demonstrated through these results as well as through an X-ray analysis, which is also described.
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| Item type: | Article | ||||
|---|---|---|---|---|---|
| Date: | 1983 | ||||
| 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: |
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| Dewey Decimal Classification: | 500 Science > 540 Chemistry & allied sciences | ||||
| Status: | Published | ||||
| Refereed: | Unknown | ||||
| Created at the University of Regensburg: | Unknown | ||||
| Item ID: | 17971 |
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