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A Study ofcis - transIsomerism of Benzalide and Thiobenzanilide

 

作者: B. Bogdanov,   I. Petrov,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1992）
卷期: Volume 25, issue 2  

页码: 239-243

 

ISSN:0038-7010

 

年代: 1992

 

DOI:10.1080/00387019208020689

 

出版商: Taylor & Francis Group

 

关键词: Benzanilide;Thiobenzanilide;cis-trans Isomerism;Infrared spectra

 

数据来源: Taylor

 

摘要:

The conformations of the benzanlide and thiobenzanilide are studied using IR spectral data and Extended Huckel MO calculations. The results indicate that the benzanilide in CCl4dilute solution exist only in atrans-conformation, while the thiobenzanilide exist in acis-transequilibrium. The observed relative stabilities of thecis-thiobenzanilide can be explained on the basis of the calculated torsional barriers around the thiocarbonyl-nitrogen bond.

 

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