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Intramolecular Hydrogen Bond and Internal Rotation of Aminogroup in Esters of Aminoacrylic Acids

 

作者: H.A. Hartman,   G.S. Denisov,   N.M. Kolbina,   P.H. Neufeld,   Y.V. Ulashkevich,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1991）
卷期: Volume 24, issue 6  

页码: 817-825

 

ISSN:0038-7010

 

年代: 1991

 

DOI:10.1080/00387019108018161

 

出版商: Taylor & Francis Group

 

关键词: NMR1H;IR spectroscopy;intramolecular hydrogen bond;internal rotation

 

数据来源: Taylor

 

摘要:

The NMR1H and IR spectra of ethyl esters of two β-alkyl and β-aryl substituted of β-aminoacrylic acid have been measured. The results are evidence of the strong intramolecular hydrogen bond between amino group and carbonyl oxygen. The activation energy of about 20 kcal/mol was obtained for the internal rotation around C-N bond.

 

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