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1
Free-
Radical-Induced DNA Damage and Its Repair: A Chemical ...
Can J Chem 50:1751–1756 Buxton GV, Sellers RM (1973) Acid dissociation
constant of the carboxyl radical. Pulse radiolysis studies of aqueous solutions of
formic acid and sodium formate. J Chem Soc Faraday Trans 1 69:555–559
Buxton ...
Clemens von Sonntag, 2006
2
Advanced Free
Radical Reactions for Organic Synthesis
The formed alkyl radical then reacts on the thiocarbonyl sulfur atom of O-acyl
ester (2) to generate alkyl 2-pyridyl sulfide and carboxyl radical again. So this
reaction proceeds via a chain pathway (eq. 8.1). ð8:1Þ Thus, the reactivity is
increased ...
3
Foundations of Organic Chemistry: Unity and Diversity of ...
It is generally accepted that one electron is lost by the carboxylate anion at the
anode to generate a carboxyl radical. The arrows shown on the carboxyl radical (
with half-heads) are drawn to account for the apparent movement of one electron
...
4
Investigation of Dense Carbon Dioxide as a Solvent Medium ...
The carboxyl radical may undergo decarboxylation to give aryl radicals that can
lead to the formation of undesired quinones and phenols that adversely affect the
reaction (Figure 3.4). The carboxyl radical may also abstract hydrogen to form ...
5
Polymer Electrolyte Fuel Cell Degradation
Density functional calculations show that, unlike the carboxyl radical
fragmentation which is exothermic (ca. À40 kJ/mol) and virtually instantaneous,
the perfluorosulfonyl radical fragmentation is slightly endothermic [35]. Given the
small ...
Matthew M. Mench, Emin Caglan Kumbur, T. Nejat Veziroglu, 2011
6
Named Organic Reactions
The unstable acyl hypobromite decomposes by homolytic cleavage of the OBr
bond, to give a bromo radical and the carboxyl radical 4. The latter decomposes
further to carbon dioxide and the alkyl radical 5, which subsequently reacts with ...
Thomas Laue, Andreas Plagens, 2005
More complex substitutions comprise an extra carboxyl radical or amine or
substituted amine radical. In either laevo aspartate or laevo glutamate, a carboxyl
radical locates at both ends of the amino acid molecule. Dextro amino acids are
said ...
5.4.2.3 O-Acyl Oximes and O-Acyl Thiohydroxamates Recently, methods have
been devised for carboxyl radical generation by homolytic cleavage of weak
carboxyl — N single bonds. Such methods have great potential in organic
synthesis as ...
Barry M. Trost, Steven V. Ley, Ian Fleming, 1991
9
The Study of Fast Processes and Transient Species by ...
Proceedings of the NATO Advanced Study Institute Held at Capri, Italy, 7-18
September, 1981 John H. Baxendale, Fabio Busi. 20 125 EIV1 Figure 9.
Polarogram of the carboxyl radical and of the (SCN)2 radical-anion complex at
pH = 6.
John H. Baxendale, Fabio Busi, 1982
10
Handbook of Reagents for Organic Synthesis, Reagents for ...
This latter process is too facile to allow hydrogen atom abstraction by the
carboxyl radical to compete. However, when amides are subjected to these
reaction conditions, hydrogen atom abstraction can occur, resulting in a novel
synthesis of ...
