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Spectroscopic studies onN,N‐dimethylamides—VAmide‐rotational barriers from iterative total line shape analysis ofN,N‐dimethylcyclopropanecarboxamides

 

作者: K. Spaargaren,   P. K. Korver,   P. J. van der Haak,   Th. J. de Boer,  

 

期刊: Organic Magnetic Resonance  （WILEY Available online 1971）
卷期: Volume 3, issue 6  

页码: 639-646

 

ISSN:0030-4921

 

年代: 1971

 

DOI:10.1002/mrc.1270030602

 

出版商: John Wiley&Sons Limited

 

数据来源: WILEY

 

摘要:

AbstractAmide‐rotational barriers in some 2‐substitutedN,N‐dimethylcyclopropanecarboxamides in CDCl3as a solvent (0·25 M) were obtained with an iterative total line shape analysis.N,N‐dimethylcyclopropanecarboxamide shows a barrier ΔG 298·2≠= 16·72 ± 0·01 kcal/mole.Para‐nitro substitution in (trans)‐2‐phenyl‐N,N‐dimethylcyclopropanecarboxamide raises the barrier ΔG 298·2≠from 17·0

 

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