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Multiple-substituent parameter analysis of the effects of substituents at nitrogen on the barriers to rotation in amides

✍ Scribed by Yoder, Claude H.; Gardner, Roblyn D.

Book ID
126275212
Publisher
American Chemical Society
Year
1981
Tongue
English
Weight
418 KB
Volume
46
Category
Article
ISSN
0022-3263

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## Abstract The barriers to rotation about the C(O)ο£ΏN bond for 13 α‐alkyl‐ and α‐halo‐substituted __N__‐theyl‐__N__‐methylamides were determined by ^1^H NMR spectroscopy at coalescence temperature. Plots of Gibbs free energy (Ξ”__G__Β°) and Gibbs energy of activation (Ξ”__G__‑) values against Charton'