DFT/B3LYP study of the substituent effect on the reaction enthalpies of the individual steps of sequential proton loss electron transfer mechanism of phenols antioxidant action: Correlation with phenolic CO bond length

2007 ◽  
Vol 805 (1-3) ◽  
pp. 153-160 ◽  
Author(s):  
Erik Klein ◽  
Vladimír Lukeš
2015 ◽  
Vol 14 (3) ◽  
pp. 563-568 ◽  
Author(s):  
Theodoros S. Symeonidis ◽  
Ioannis Tamiolakis ◽  
Gerasimos S. Armatas ◽  
Ioannis N. Lykakis

Decatungstate supported on mesoporous TiO2 nanoparticle assemblies catalyze the selective and efficient oxidation of aromatic alcohols under “green” oxidation conditions. An electron transfer mechanism was predominated under UV-vis irradiation.


1987 ◽  
Vol 65 (5) ◽  
pp. 976-979 ◽  
Author(s):  
Philip A. Carson ◽  
Paul de Mayo

1,2-Diphenylcyclopropane (1) was found to be oxidized on illuminated ZnO in the presence of air while 1-(p-methoxyphenyl)-2-phenylcyclopropane (2) and 1,2-bis(p-methoxyphenyl)cyclopropane (3) were found to be similarly oxidized on illuminated CdS. Compounds 2 and 3 were found, also, to undergo a rapid photochemical cis-trans isomerization on CdS whereas 1 did not undergo such isomerization. An electron transfer mechanism involving formation of the radical cations of the substrates is proposed.


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