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Application of chemically induced dynamic nuclear polarization to the nitration of N-acetyltyrosine and to some reactions of peroxynitrite

Butler, AR; Rutherford, TJ; Short, DM; Ridd, JH; (2000) Application of chemically induced dynamic nuclear polarization to the nitration of N-acetyltyrosine and to some reactions of peroxynitrite. Nitric Oxide , 4 (5) 472 - 482.

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Abstract

By the observation of chemically induced dynamic nuclear polarization in N-15 NMR spectroscopy it has been shown that nitration of N-acetyltyrosine, even render acidic conditions, is largely a radical process. In the alkaline reaction of tyrosine with peroxynitrite the main products are nitrite and nitrate, both produced by a radical pathway, and tyrosine nitration is a minor reaction. It is suggested that tyrosine catalyzes the production of NOS and HO. from peroxgnitrite. (C) 2000 Academic Press

Type: Article
Title: Application of chemically induced dynamic nuclear polarization to the nitration of N-acetyltyrosine and to some reactions of peroxynitrite
Additional information: Journal Article OCT 366QP Butler AR Univ St Andrews, Sch Chem, Ctr Biomol Sci, St Andrews KY16 9ST, Fife, Scotland NITRIC OXIDE-BIOL CHEM
Keywords: ACID, ADDUCT, Ar, chemically induced, chemistry, DECOMPOSITION, dynamic, mechanisms, N-15 CIDNP, N-15 NMR, nitric oxide, NITRIC-OXIDE, NMR, NOS, nuclear, nuclear polarization, PATHWAY, peroxynitrite, process, processes, product, radicals, Scotland, spectroscopy, SUPEROXIDE-DISMUTASE, Tyrosine, TYROSINE NITRATION
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry
URI: http://discovery.ucl.ac.uk/id/eprint/24089
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