The Fine Structure of Cytosine
- 1 January 1962
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 15 (4) , 851-857
- https://doi.org/10.1071/ch9620851
Abstract
The ionization constants and ultraviolet spectra of cytosine, of its appropriately methylated derivatives, and of related compounds are used to indicate that its pre- dominant tautomeric form in aqueous solution is 4-amino-1,2-dihydro-2-oxopyrimidine. This is in sharp contrast to its recent formulation as a zwitterion on the grounds of its nuclear magnetic resonance spectrum.Keywords
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