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Spectroscopic studies on N,N-dimethylamides—II: Substituent effect on infrared carbonyl stretching vibrations and hydroxyl frequency shifts of para- and meta-substituted N,N-dimethylbenzamides and cinnamamides

✍ Scribed by K. Spaargaren; C. Kruk; Mrs.T.A. Molenaar-Langeveld; P.K. Korver; P.J. Van Der Haak; Th.J. De Boer

Book ID
113372851
Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
762 KB
Volume
28
Category
Article
ISSN
1386-1425

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Spectroscopic studies on N, N-dimethylam
Spectroscopic studies on N, N-dimethylamides—IV An NMR total line shape study of substituent effects and medium effects on amide-rotational barriers of N,N-dimethylbenzamides and -cinnamamides
✍ K. Spaargaren; P. K. Korver; P. J. Der Van Haak; Th. J. de Boer 📂 Article 📅 1971 🏛 John Wiley and Sons 🌐 English ⚖ 472 KB 👁 1 views

Amide-rotational barriers obtained with a total line shape analysis of a series of parasubstituted N,N-dimethylbenzamides and -cinnamamides are correlated with the result of an H.M.O. ## (a ~~1 . 4 ) calculation. There is no difference in the activation parameters at a concentration of 0.25 M and