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Purine hydrogen atom abstraction

Hydrogen Atom Abstraction at C5 Formation of Purine 5, 8-Cyclonucleosides... [Pg.68]

Evidence for the "OH induced formation of purine 5, 8-cyclonucleosides has been provided in early model studies involving nucleosides [118], nucleotides [119, 120], and isolated DNA [121]. This may be explained in terms of OH-mediated hydrogen atom abstraction from the C5 -hydroxymethyl group followed by intramolecular cyclization that occurs with a rate constant k = 1.6 x 10s s 1 in the case of... [Pg.68]

Figure 3.11 Purine 5, 8-cydonudeosides formed in DNA upon OH-mediated hydrogen atom abstraction at C5. ... Figure 3.11 Purine 5, 8-cydonudeosides formed in DNA upon OH-mediated hydrogen atom abstraction at C5. ...
See other pages where Purine hydrogen atom abstraction is mentioned: [Pg.44]    [Pg.299]    [Pg.447]    [Pg.136]    [Pg.142]    [Pg.165]    [Pg.167]    [Pg.167]    [Pg.1354]    [Pg.453]    [Pg.182]    [Pg.224]    [Pg.163]    [Pg.116]    [Pg.313]    [Pg.229]    [Pg.229]   
See also in sourсe #XX -- [ Pg.5 , Pg.68 ]



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