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The effect of substitution on protonation sites: evidence for protonation at N(3) in N(7)-substituted adenine

✍ Scribed by Thomas J. Kistenmacher; Terumi Shigematsu; Harel Weinstein


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
331 KB
Volume
25
Category
Article
ISSN
0022-2860

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The structures and reactivities of protonated metastable and collision-activated molecules of isomeric N 7 -and N 9 -substituted purines were investigated using fast atom/ion bombardment ionization and mass analysed ion kinetic energy spectrometry methods. Calculated proton affinities (PAs) of isome