Electronic effects in transition-metal porphyrins. 4. Effect of unsymmetrical phenyl substitution on the NMR spectra of a series of metal-free and zinc tetraphenylporphyrins

1982 ◽  
Vol 21 (9) ◽  
pp. 3342-3348 ◽  
Author(s):  
F. Ann. Walker ◽  
Virginia L. Balke ◽  
Gregory A. McDermott
2016 ◽  
Vol 3 (12) ◽  
pp. 1680-1685 ◽  
Author(s):  
Andivelu Ilangovan ◽  
Palaniappan Sakthivel ◽  
Pandaram Sakthivel

A simple and efficient method for conversion of 2-iodo/2-nitro benzoic acids and dihydropyranone-fused benzoic acids into corresponding anilines, using tosyl azide, under transition metal-free conditions was developed. Steric and electronic effects play crucial role.


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