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13C-NMR Study of Some Substituted 9-Acridanone Derivatives

 

作者: Robert Faure,   Abdallah Mahamoud,   Jean-Pierre Galy,   Emile-Jean Vincent,   Anne-Marie Galy,   Jacques Barbe,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1981）
卷期: Volume 14, issue 3  

页码: 223-238

 

ISSN:0038-7010

 

年代: 1981

 

DOI:10.1080/00387018108062579

 

出版商: Taylor & Francis Group

 

关键词: 13C-NMR;Substituent effects;Molecular orbital calculations;Correlations;Acridanones

 

数据来源: Taylor

 

摘要:

13C-NMR spectra of several 9-acridanones with different substituents both on the ring (R1= CH3, OCH3, NH2, N(CH3)2, NO2) and at the nitrogen atom (R2= H, CH3C2H5, CH2-C6H5, C≡C-CH3, (CH2)2N(C2H2)2, CH=C=CH2) have been recorded. The C-NMR chemical shifts are discussed as a function of the nature of the substituent, the importance of peri steric interactions and the electronic structure of the acridanone ring. There is a good linear relationship between the total electronic density and the chemical shifts.

 

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