Novel C-9, 9'-O-acyl Esters of (-)-Carinol as Free-radical Scavengers and Xanthine Oxidase Enzyme Inhibitors: Synthesis and Biological Evaluation

2013 ◽  
Vol 9 (1) ◽  
pp. 100-103 ◽  
Author(s):  
Praveen Kumar Suryadevara ◽  
Hari Babu Tatipaka ◽  
Rama Subba Rao Vidadala ◽  
Ashok k Tiwari ◽  
Janaswamy Madhusudana Rao ◽  
...  
Keyword(s):  
Free Radical ◽  
Xanthine Oxidase ◽  
Enzyme Inhibitors ◽  
Biological Evaluation ◽  
Free Radical Scavengers ◽  
Radical Scavengers ◽  
Oxidase Enzyme ◽  
Synthesis And Biological Evaluation

Novel C-9, 9'-O-acyl Esters of (-)-Carinol as Free-radical Scavengers and Xanthine Oxidase Enzyme Inhibitors: Synthesis and Biological Evaluation

2012 ◽  
Vol 9 (1) ◽  
pp. 100-103
Author(s):  
Praveen Kumar Suryadevara ◽  
Hari Babu Tatipaka ◽  
Rama Subba Rao Vidadala ◽  
Ashok k Tiwari ◽  
Janaswamy Madhusudana Rao ◽  
...  
Keyword(s):  
Free Radical ◽  
Xanthine Oxidase ◽  
Enzyme Inhibitors ◽  
Biological Evaluation ◽  
Free Radical Scavengers ◽  
Radical Scavengers ◽  
Oxidase Enzyme ◽  
Synthesis And Biological Evaluation

Synthesis and biological evaluation of (2,5-dihydro-1H-pyrrol-1-yl)-2H-chromen-2-ones as free radical scavengers

2011 ◽  
Vol 46 (12) ◽  
pp. 5894-5901 ◽  
Author(s):  
Anna Balabani ◽  
Dimitra J. Hadjipavlou-Litina ◽  
Konstantinos E. Litinas ◽  
Maria Mainou ◽  
Crystal-Catherine Tsironi ◽  
...  
Keyword(s):  
Free Radical ◽  
Biological Evaluation ◽  
Free Radical Scavengers ◽  
Radical Scavengers ◽  
Synthesis And Biological Evaluation

ChemInform Abstract: Synthesis and Biological Evaluation of (2,5-Dihydro-1H-pyrrol-1-yl)-2H-chromen-2-ones as Free Radical Scavengers.

ChemInform ◽  
2012 ◽  
Vol 43 (15) ◽  
pp. no-no
Author(s):  
Anna Balabani ◽  
Dimitra J. Hadjipavlou-Litina ◽  
Konstantinos E. Litinas ◽  
Maria Mainou ◽  
Crystal-Catherine Tsironi ◽  
...  
Keyword(s):  
Free Radical ◽  
Biological Evaluation ◽  
Free Radical Scavengers ◽  
Radical Scavengers ◽  
Synthesis And Biological Evaluation

Effects of free radical generation on mouse pial arterioles: probable role of hydroxyl radicals

1983 ◽  
Vol 245 (1) ◽  
pp. H139-H142 ◽  
Author(s):  
W. I. Rosenblum
Keyword(s):  
Free Radical ◽  
Xanthine Oxidase ◽  
Hydroxyl Radicals ◽  
Free Radical Scavengers ◽  
Radical Scavengers ◽  
Pial Arterioles ◽  
Probable Role ◽  
Radical Generation ◽  
Superoxide Scavenger

Mouse pial arterioles were exposed to the free radical-generating reactants acetaldehyde and xanthine oxidase. Concentrations of 0.5 mM acetaldehyde and 0.1 U/ml xanthine oxidase caused reversible dilations, whereas higher concentrations produced initial constrictions followed by reversible dilations. The following free radical scavengers inhibited the dilation when added to the lower concentrations of reactants: superoxide dismutase, a superoxide scavenger; catalase, an H2O2 scavenger; and mannitol, a hydroxyl scavenger. In addition, pretreatment of the animal with dimethyl sulfoxide, a hydroxyl scavenger, also inhibited the response. The scavengers were also tested against either the dilation produced by increased inspired CO2 or against the dilation produced by local application of 10(-3) M papaverine. No significant effect was observed. The data support the hypothesis that hydroxyl radicals can dilate pial arterioles, since all the scavengers can ultimately reduce levels of hydroxyl generated by acetaldehyde plus xanthine oxidase.

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