Transannular Interaction of Functional Groups in Tetracyclo[6.3.0.0^4,11^.0^5,9^]undec‐6‐en‐2‐one. — Unexpected Course of a Ketalization Reaction The reaction of polycyclic enones 1 with ethylene glycol yielded beside the ketal 2 as main product unexpectedly the cyclic polyether 3. The structure of
✦ LIBER ✦
Säurekatalysierte Umlagerung von Tetracyclo[6.3.0.04,11.05,9]undec-6-en-2-on
✍ Scribed by Ipaktschi, Junes ;Herber, Jürgen ;Kalinowski, Hans-Otto ;Amme, Monika ;Boese, Roland
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1990
- Tongue
- English
- Weight
- 539 KB
- Volume
- 123
- Category
- Article
- ISSN
- 0009-2940
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## Abstract High field NMR spectroscopy, including nuclear Overhauser effect experiments and homonuclear decoupling techniques, provide conclusive evidence for the structure of 1‐methoxy‐__endo__‐tetracyclo[6.3.0.0^2,11^.0^3,7^]undec‐9‐enundec‐9‐ene. The ^13^C NMR spectrum has been recorded and the
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