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Journal ArticleDOI

Reactions of the carbonate radical with aliphatic amines

01 Jan 1985-Tetrahedron (Pergamon)-Vol. 41, Iss: 18, pp 3837-3843
TL;DR: In this article, the concept of Hoffmann's "through bond" interaction was used to explain carbonate radicals' reactivities with aliphatic amines by hydrogen abstraction and electron transfer.
About: This article is published in Tetrahedron.The article was published on 1985-01-01. It has received 25 citations till now. The article focuses on the topics: Tertiary amine & Hydrogen atom abstraction.
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Journal ArticleDOI
TL;DR: A framework for this hypothesis is provided and the potential sources and properties of these radicals that are likely to become increasingly recognized as important mediators of biological processes are discussed.

487 citations

Journal ArticleDOI
TL;DR: In this paper, a review summarizes direct and indirect analytical methods for the detection and quantification of reactive oxygen species (ROS): 1O2, O2−/HOO·, H2O2, HO·, and CO3·− in aqueous solution.
Abstract: This review summarizes direct and indirect analytical methods for the detection and quantification of the reactive oxygen species (ROS): 1O2, O2·−/HOO·, H2O2, HO·, and CO3·− in aqueous solution. Each section briefly describes the chemical properties of a specific ROS followed by a table (organized alphabetically by detection method, i.e., absorbance, chemiluminescence, etc.) summarizing the nature of the observable (associated analytical signal) for each method, limit of detection, application notes, and reaction of the probe molecule with the particular ROS.

312 citations


Cites background from "Reactions of the carbonate radical ..."

  • ...For example, it reacts rapidly with phenols, anilines, and some amino acids (Busset et al. 2007; Chen and Hoffman 1973; Chen et al. 1975; Elango et al. 1985; Larson and Zepp 1988; Mak et al. 2007; Moore et al. 1977), but relatively slowly with saturated alkanes, aromatic hydrocarbons, etc....

    [...]

  • ...: (Elango et al. 1985; Nelsen and Buschek 1974) Dimethylpyrrolidine oxide (DMPO) EPR spin trapping—signal increase due to adduct (aN = 1.43 mT, ab-H = 1.07 mT, and ac-H = 0.14 mT) lM Can form DMPO-OH complex; pH sensitive 61 N+ O N O O -...

    [...]

  • ...For example, it reacts rapidly with phenols, anilines, and some amino acids (Busset et al. 2007; Chen and Hoffman 1973; Chen et al. 1975; Elango et al. 1985; Larson and Zepp 1988; Mak et al. 2007; Moore et al. 1977), but relatively slowly with saturated alkanes, aromatic hydrocarbons, etc....

    [...]

  • ...: Elango et al. (1985) 1,4-Diaza-bicyclo[2.2.2]octane (DABCO) Absorbance of radical cation (k = 465 nm, e465 = 2.1 9 10 3 M-1 cm-1) lM Radical cation has a t1/2 B ms 41 N N N N CO3 -....

    [...]

  • ...: (Elango et al. 1985; Ernstbrunner et al. 1978) 1,3,6,8-tetraazatricyclo[4.4.1.1]dodecane (TATCD) Absorbance of radical cation (k = 570 nm) lM Radical cation has a t1/ 2 B ms 41 N N N N N N N N CO3....

    [...]

Journal ArticleDOI
TL;DR: The significant role of UV at high pH and CO3(•-) on OTC removal from contaminated water was therefore demonstrated both kinetically and mechanistically.

216 citations

Journal ArticleDOI
TL;DR: The photochemistry of covalently bound amino groups, particularly as found in peptides and amino acids, is discussed in this article with the purpose of summarizing what is known of their occurrence and their possible importance to atmospheric chemistry.
Abstract: The presence of amino acids in atmospheric precipitation and aerosols has been noted for many years, yet relatively little is known about these or other nitrogen containing organic compounds in the atmosphere. Marine and continental rainwater analyses indicate that atmospheric aerosols, and subsequently atmospheric precipitation, may contain substantial levels of free and combined amino acids. The most likely source of amino N in the remote marine atmosphere appears to be the injection of proteinaceous material through the action of bursting bubbles at the sea-air interface or the long range transport from terrestrial sources. The capacity of these substrates to undergo photooxidation and photodegradation in the atmosphere to simpler species, such as ammonium ions, carboxylic acids, and for the S containing amino acids, oxidized forms of sulfur, has received little attention from atmospheric chemists. The photochemistry of covalently bound amino groups, particularly as found in peptides and amino acids, is discussed here with the purpose of summarizing what is known of their occurrence and their possible importance to atmospheric chemistry.

121 citations

Journal ArticleDOI
TL;DR: The triplet state of oxcarbazepine (3OXC∗) was found to play an important role in OXC degradation via UV and UV/H2O2, and hydroxyl radicals (•OH) and singlet oxygen (1O2) were found to be the dominant ROS in OxC degradation.

107 citations