This thesis is based on the excellent radical scavenging properties of mono meric nitrosoalkanes RNO. Thus, addition of a small amount of RNO to a reacting system in which unstable radicals X· are generated usually results in the formation of relatively stable nitroxides, which can be studied by ESR spectroscopy at room temperature . . R-N=O + X --R-N-X ,. o The nature of the trapped radical X· can very often be deduced from the hyperfine splittings (hfs) and g-value of the ESR spectrum of the derived nitroxide. Thus the ESR Spin Trapping technique is useful for the identifi cation of highly reactive (short-living) radicals X·. Chapter 1 contains a survey of the literature and a short description of the most important features of nitrosoalkanes, nitroxides and the Spin Trapping technique in general. In chapter 2 the synthesis of hitherto unknown I-nitrosoadamantane is described. Together with a number of other nitrosoalkanes it is used as a scavenger for trifluoromethyl radicals, generated by photolysis of trifluoro iodomethane. The derived alkyl trifluoromethyl nitroxides with aN = aF = 11.5-12.0 gauss are easily identified and are found to be very stable at room temperature. Chapter 3 illustrates the limitations of the Spin Trapping technique, i.e.
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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. 1. Introduction and Survey of Literature.- Nitrosoalkanes.- Nitroxides.- ESR Spin Trapping techniques.- 2. Trapping of Trifluoromethyl Radicals by Monomeric Nitrosoalkanes. Synthesis of 1-Nitrosoadamantane.- Results and discussion.- Experimental.- 3. Photol. Seller Inventory # 5836362
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This thesis is based on the excellent radical scavenging properties of mono meric nitrosoalkanes RNO. Thus, addition of a small amount of RNO to a reacting system in which unstable radicals X are generated usually results in the formation of relatively stable nitroxides, which can be studied by ESR spectroscopy at room temperature . . R-N=O + X --R-N-X , o The nature of the trapped radical X can very often be deduced from the hyperfine splittings (hfs) and g-value of the ESR spectrum of the derived nitroxide. Thus the ESR Spin Trapping technique is useful for the identifi cation of highly reactive (short-living) radicals X . Chapter 1 contains a survey of the literature and a short description of the most important features of nitrosoalkanes, nitroxides and the Spin Trapping technique in general. In chapter 2 the synthesis of hitherto unknown I-nitrosoadamantane is described. Together with a number of other nitrosoalkanes it is used as a scavenger for trifluoromethyl radicals, generated by photolysis of trifluoro iodomethane. The derived alkyl trifluoromethyl nitroxides with aN = aF = 11.5-12.0 gauss are easily identified and are found to be very stable at room temperature. Chapter 3 illustrates the limitations of the Spin Trapping technique, i.e. 68 pp. Englisch. Seller Inventory # 9789401186506
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Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This thesis is based on the excellent radical scavenging properties of mono meric nitrosoalkanes RNO. Thus, addition of a small amount of RNO to a reacting system in which unstable radicals X are generated usually results in the formation of relatively stable nitroxides, which can be studied by ESR spectroscopy at room temperature . . R-N=O + X --R-N-X , o The nature of the trapped radical X can very often be deduced from the hyperfine splittings (hfs) and g-value of the ESR spectrum of the derived nitroxide. Thus the ESR Spin Trapping technique is useful for the identifi cation of highly reactive (short-living) radicals X . Chapter 1 contains a survey of the literature and a short description of the most important features of nitrosoalkanes, nitroxides and the Spin Trapping technique in general. In chapter 2 the synthesis of hitherto unknown I-nitrosoadamantane is described. Together with a number of other nitrosoalkanes it is used as a scavenger for trifluoromethyl radicals, generated by photolysis of trifluoro iodomethane. The derived alkyl trifluoromethyl nitroxides with aN = aF = 11.5-12.0 gauss are easily identified and are found to be very stable at room temperature. Chapter 3 illustrates the limitations of the Spin Trapping technique, i.e.Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 68 pp. Englisch. Seller Inventory # 9789401186506