Oxidation of saturated hydrocarbons by tert-butyl hydroperoxide in the presence of transition metal compounds

1983 ◽  
Vol 32 (5) ◽  
pp. 1078-1079
Author(s):  
V. N. Glushakova ◽  
N. A. Skorodumova ◽  
O. Yu. Gryzina ◽  
G. A. Razuvaev
Keyword(s):  
Transition Metal ◽  
Transition Metal Compounds ◽  
Saturated Hydrocarbons ◽  
Metal Compounds ◽  
Butyl Hydroperoxide ◽  
Tert Butyl ◽  
Tert Butyl Hydroperoxide

The Fe(III)-catalyzed functionalization of saturated hydrocarbons by tert-butyl hydroperoxide: Mechanistic studies on the role of dioxygen

1992 ◽  
Vol 33 (38) ◽  
pp. 5473-5476 ◽  
Author(s):  
Derek H.R. Barton ◽  
Stéphane D. Bévière ◽  
Warinthorn Chavasiri ◽  
Darío Doller ◽  
Bin Hu
Keyword(s):  
Mechanistic Studies ◽  
Saturated Hydrocarbons ◽  
Butyl Hydroperoxide ◽  
Tert Butyl ◽  
Tert Butyl Hydroperoxide

scholarly journals Redox Active Transition Metal ions Make Melanin Susceptible to Chemical Degradation Induced by Organic Peroxide

2017 ◽  
Vol 75 (3-4) ◽  
pp. 319-333 ◽  
Author(s):  
Andrzej Zadlo ◽  
Anna Pilat ◽  
Michal Sarna ◽  
Anna Pawlak ◽  
Tadeusz Sarna
Keyword(s):  
Retinal Pigment Epithelium ◽  
Transition Metal ◽  
Metal Ions ◽  
Pigment Epithelium ◽  
Retinal Pigment ◽  
Transition Metal Ions ◽  
Chemical Degradation ◽  
Butyl Hydroperoxide ◽  
Tert Butyl ◽  
Tert Butyl Hydroperoxide

Abstract With aging, retinal pigment epithelium melanosomes, by fusion with the age pigment lipofuscin, form complex granules called melanolipofuscin. Lipofuscin granules may contain oxidized proteins and lipid hydroperoxides, which in melanolipofuscin could chemically modify melanin polymer, while transition metal ions present in melanin can accelerate such oxidative modifications. The aim of this research was to examine the effect of selected transition metal ions on melanin susceptibility to chemical modification induced by the water-soluble tert-butyl hydroperoxide used as an oxidizing agent. Synthetic melanin obtained by DOPA autooxidation and melanosomes isolated from bovine retinal pigment epithelium were analyzed. To monitor tert-butyl hydroperoxide-induced oxidative changes of DMa and BMs, electron paramagnetic resonance spectroscopy, UV-vis absorption spectroscopy, dynamic light scattering, atomic force microscopy and electron paramagnetic resonance oximetry were employed. These measurements revealed that both copper and iron ions accelerated chemical degradation induced by tert-butyl hydroperoxide, while zinc ions had no effect. Strong prooxidant action was detected only in the case of melanosomes and melanin degraded in the presence of iron. It can be postulated that similar chemical processes, if they occur in situ in melanolipofuscin granules of the human retinal pigment epithelium, would modify antioxidant properties of melanin and its reactivity.

Transition‐Metal Alkoxide‐Catalyzed Oxidation of Phenols, Alcohols, and Amines with tert. ‐Butyl hydroperoxide

2000 ◽  
pp. 469-493 ◽  
Author(s):  
Horst Adam ◽  
Karameli Khanbabaee ◽  
Karsten Krohn ◽  
Jochen Küpke ◽  
Hagen Rieger ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Alkoxide ◽  
Butyl Hydroperoxide ◽  
Tert Butyl ◽  
Tert Butyl Hydroperoxide ◽  
Oxidation Of Phenols ◽  
Catalyzed Oxidation
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