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Nitric oxide synthase-like activity of ion exchange resins modified with iron (III) porphyrins in the oxidation of l-arginine by H2O2: Mechanistic insights

Paper ID Volume ID Publish Year Pages File Format Full-Text
52442 46874 2007 7 PDF Available
Title
Nitric oxide synthase-like activity of ion exchange resins modified with iron (III) porphyrins in the oxidation of l-arginine by H2O2: Mechanistic insights
Abstract

Resin supported iron (III) porphyrins, prepared by strong electrostatic interactions between the ionic iron (III) porphyrins and counter ionic groups on the surface of the support, were found to be very efficient catalysts for H2O2 mediated oxidation of l-arginine with the formation of citrulline and nitric oxide, and the yields of these products were remarkably higher than those obtained with corresponding soluble iron (III) porphyrins. No leaching of iron porphyrin or uncomplexed iron ions was observed. A high-valent iron–oxo porphyrin complex was suggested as a reactive intermediate for this oxidation reaction.

Keywords
l-Arginine; Resin supported catalyst; Hydrogen peroxide; Iron porphyrin
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Nitric oxide synthase-like activity of ion exchange resins modified with iron (III) porphyrins in the oxidation of l-arginine by H2O2: Mechanistic insights
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 9, September 2007, Pages 1431–1437
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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