## Abstract The convolution molecule method by Hoppe and Paulus yields sometimes several solutions for the orientation of the molecule. For the selection of the correct orientation a special kind of __R__ value (mean __R__ value) can give valuable information.
Application of the method CORDAL based on the combination of the convolution molecule method and the residual analysis to the structure determination of 3-dehydro gibberellin A3
✍ Scribed by Dr. L. Kutschabsky; Dr. G. Reck; Dr. S. Kulpe; Dr. E. Höhne
- Publisher
- John Wiley and Sons
- Year
- 1975
- Tongue
- English
- Weight
- 502 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0232-1300
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
In connection with studies of the solid state photolysis the crystal and molecular structure of 3‐dehydro gibberellin A~3~ was determined by X‐ray analysis. The final discrepancy factor R was 0.078. The packing of the molecules in the crystal explains the preference of intramolecular photoaromatization in contrast to the topophotodimerisation of the corresponding methylester upon UV‐irradiation. In this structure determination the method CORDAL, based on the combination of the convolution molecule method by Hoppe and Paulus and the residual analysis, was applied successfully.
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