Investigation of the conformations of compounds of the trans-tricyclo[5,1,0,03.5]octane series
β Scribed by B. A. Arbuzov; A. P. Timosheva; S. G. Vul'fson; A. N. Vereshchagin
- Book ID
- 112440513
- Publisher
- Springer
- Year
- 1973
- Tongue
- English
- Weight
- 316 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1573-9171
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π SIMILAR VOLUMES
It has been reported previously (1) that duroquinone, in contrast to many other p-quinones (2,3), reacts with diazomethane by direct addition at the carbonyl groups. We have reinvestigated this system and find that, in fact, the reaction proceeds bJ addition to the olefinic centres of the duroquinon
The six-membered ring of an anti-tricycle (~5.1.0.0.315] octane is shown by X-ray crystallography to be almost planar. The precise conformation agrees remarkably well with that obtained for the molecule in solution using lanthanide shift reagents.
## Abstract The carbon and proton NMR spectra of __syn__β and __anti__βtricyclo[5.1.0.0^3,5^]octanes and their dichlorocarbene Cο£ΏH bond insertion products were determined by conventional 1D and 2D methods. Partially relaxed proton spectroscopy was carried out in some instances to aid in the separat