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- Luyten, I, et al.
(författare)
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Determination of the ionization constants of C-nucleosides
- 1997
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Ingår i: TETRAHEDRON. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0040-4020. ; 53:20, s. 6903-6906
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We here report for the first time the ionization constant of 9-deazaadenosine (1) (pK(a) 6.0) as well as the third ionization constant for Formycin B (2) (pK(a) of 1.3) in addition to its two known pK(a)s of 8.8 and 10.4. (C) 1997 Elsevier Science Ltd.
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22. |
- Luyten, I, et al.
(författare)
-
Determination of the tautomeric equilibrium of Psi-uridine in the basic solution
- 1998
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Ingår i: JOURNAL OF ORGANIC CHEMISTRY. - : AMER CHEMICAL SOC. - 0022-3263. ; 63:4, s. 1033-1040
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The pD-dependent C-13 shift and (3)J(CH) of Psi-uridine have shown that the pK(a) of its N1 and N3 are 9.6 and 9.3, respectively. For the monoanionic Psi-uridine, the N1-anion population (64%) is favored over the N3-anion (36%), suggesting a larger prefer
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