scholarly journals The NMR Chemical Shifts of Aromatic Ring Protons. I. The Chemical Shifts of the Ring Protons of Mono-substituted Benzenes

1971 ◽  
Vol 44 (10) ◽  
pp. 2843-2845 ◽  
Author(s):  
Yasuhide Yukawa ◽  
Yuho Tsuno ◽  
Nobujiro Shimizu
Keyword(s):  
Aromatic Ring ◽  
Chemical Shifts ◽  
Substituted Benzenes ◽  
Nmr Chemical Shifts

The halogen effect on the 13C NMR chemical shift in substituted benzenes

2018 ◽  
Vol 20 (16) ◽  
pp. 11247-11259 ◽  
Author(s):  
Renan V. Viesser ◽  
Lucas C. Ducati ◽  
Cláudio F. Tormena ◽  
Jochen Autschbach
Keyword(s):  
Chemical Shift ◽  
13C Nmr ◽  
Chemical Shifts ◽  
Nmr Chemical Shift ◽  
Substituted Benzenes ◽  
Nmr Chemical Shifts ◽  
Halogen Effect ◽  
C Nmr ◽  
Group Effects

X (F, Cl, Br, I) and R (NH2, NO2) group effects on 13C NMR chemical shifts are explained by π and σ orbitals, respectively.

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