Journal of the American Society for Mass Spectrometry, 21(10), 1737-1752 (2010-08-14)
Gas-phase reactivity of a positively charged aromatic σ,σ-biradical (N-methyl-6,8-didehydroquinolinium) was examined toward six aliphatic amino acids and 15 dipeptides by using Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR) and laser-induced acoustic desorption (LIAD). While previous studies have revealed that
Journal of the American Chemical Society, 127(11), 3973-3978 (2005-03-18)
Gas-phase reactivity of five differently substituted positively charged phenyl radicals was examined toward six amino acids by using Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR). The reactivity of the radicals studied was determined by the electrophilicity of the radical
One of the amino H atoms of L-phenylalanyl-L-valine, C(14)H(20)N(2)O(3), participates in a rare secondary interaction in being accepted by the aromatic ring of the phenylalanine side chain. The phenyl group is also a donor in a weak hydrogen bond to
The Journal of organic chemistry, 74(20), 7724-7732 (2009-09-24)
Laser-induced acoustic desorption (LIAD) incorporated with Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR) has been utilized to investigate phenyl radical-induced damage to dipeptides in the gas phase. On the basis of the product branching ratios measured for the reactions
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