## Chemical analysis and spectml properties of all compounds listed in Table I are consistant with. their structure. Purity was checked by vpc.
A low energy barrier for rotation around carbon—carbon double bond
✍ Scribed by Youval Shvo; K.C. Taylor; Juan Bartulin
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- French
- Weight
- 297 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
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A dynamic NMR effect is observed in the t H NMR. spectra of the title compound in the vicinity of 186 °C, and is attributed to restricted rotation around the polarized carbon-carbon double bond. The free energy of activation (A G\* ) for this process is 105 \_+ 2 k J mol "1 in nitrobenzene as a solv
## Per-n Press.