Syntheses of all singly labeled [ 15 N]adenines: Mass spectral fragmentation of adenine
- 1 July 1981
- journal article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 78 (7) , 3986-3988
- https://doi.org/10.1073/pnas.78.7.3986
Abstract
Syntheses of all five of the singly labeled [ 15 N]adenines are now provided. The presence or absence of two-bond 15 N- 1 H spin couplings in their 1 H NMR spectra confirm the location of the isotope in each case. The fragmentation patterns in their mass spectra are indicative of the sequential losses of HCN units and of CH 2 N 2 from adenine upon electron impact.Keywords
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