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On the interaction of geminal fluorines and geminal cyano groups. ‘anomalous’ ordering of rotational barriers in fluoroethanes

✍ Scribed by Leo Radom; Peter J. Stiles

Publisher
Elsevier Science
Year
1975
Tongue
French
Weight
226 KB
Volume
16
Category
Article
ISSN
0040-4039

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✦ Synopsis

In the course of a study of an additivity scheme for conformational energies of substituted ethanes, 2,3 we were intrigued by the lack of additivity displayed by the haloethanes. Thus, whereas monofluoro-substitution in ethane leads to an increase in experimentally observed barrier from 2.93 to 3.33 kcal mol -1

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✍ Welle, Frank M. ;Verevkin, Sergey P. ;Beckhaus, Hans-Dieter ;Rüchardt, Christoph 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 913 KB

## Abstract The thermolysis reactions of 3a and 2a, b were studied over a temperature range of 40°C and the activation parameters were determined. They were compared with the activation parameters of structurally comparable hydrocarbons of similar strain in order to obtain the radical stabilization