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  The mechanisms of oxidation of NADH analogues 3. Stimulated nuclear polarization (SNP) and chemically induced dynamic nuclear polarization (CIDNP) in low magnetic fields in photo-oxidation reactions of 1,4-dihydropyridines with quinones

Polyakov, N., Taraban, M., Kruppa, A., Avdievich, N., Mokrushin, V., Schastnev, P., et al. (1993). The mechanisms of oxidation of NADH analogues 3. Stimulated nuclear polarization (SNP) and chemically induced dynamic nuclear polarization (CIDNP) in low magnetic fields in photo-oxidation reactions of 1,4-dihydropyridines with quinones. Journal of Photochemistry and Photobiology A: Chemistry, 74(1), 75-79. doi:10.1016/1010-6030(93)80153-Z.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-044E-F Version Permalink: https://hdl.handle.net/21.11116/0000-0006-044F-E
Genre: Journal Article

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https://www.sciencedirect.com/science/article/pii/101060309380153Z (Publisher version)
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 Creators:
Polyakov, NE, Author
Taraban, MB, Author
Kruppa, AI, Author
Avdievich, NI1, Author           
Mokrushin, VV, Author
Schastnev, PV, Author
Leshina, TV, Author
Lüsis, V, Author
Muceniece, T, Author
Duburs , G, Author
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1External Organizations, ou_persistent22              

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 Abstract: Radical particles formed during the photo-oxidation of 1,4-dihydropyridines (1,4-DHPs) by quinones in benzene and acetone have been characterized using stimulated nuclear polarization (SNP) and low-magnetic-field chemically induced dynamic nuclear polarization (CIDNP) techniques. The experimentally obtained hyperfine coupling constants of the 1,4-DHP radical ion and neutral radical qualitatively agree with those calculated using the INDO method. It has been found that the disproportionation reaction of two neutral nitrogen-centred 1,4-DHP radicals provides the main contribution to CIDNP in low magnetic fields.

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 Dates: 1993-08
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.1016/1010-6030(93)80153-Z
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Title: Journal of Photochemistry and Photobiology A: Chemistry
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Elsevier
Pages: - Volume / Issue: 74 (1) Sequence Number: - Start / End Page: 75 - 79 Identifier: ISSN: 1010-6030
CoNE: https://pure.mpg.de/cone/journals/resource/954925584245